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Bangladesh Gets New Marine Fish (Actinopterygii: Teleostei): First Observation of Seven Species from Rocky Tidal Habitats of the St. Martin’s Island, Bay of Bengal Thalassas (IF 0.657) Pub Date : 2021-01-22 Muntasir Akash, Anwar Palash, Nusrat Jahan Urmy, Tania Zakir, Meherun Niger Sultana
On the northeastern flank of the Bay of Bengal, the St. Martin’s Island, a sedimentary continental formation, is the only maritime island and an Ecologically Critical Area of Bangladesh. Rock beds fringing the island from supratidal to subtidal zone with a subtidal depth around 10 m and presence of non-reef forming scleractinian corals from lower rocky intertidal to about 200–600 m offshore comprise
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Saddleback Syndrome in Wild Black Pomfret Parastromateus niger (Bloch, 1795), From Southeast Coast of India Thalassas (IF 0.657) Pub Date : 2021-01-20 K. Silambarasan, K. Govindaraj, A. B. Kar, G. V. A. Prasad, S. K. Pattnayak, L. Ramalingam
Abnormalities in the marine fishes are encountered around the world. The saddleback syndrome a deformity in the dorsal fin of the fish. They could be due to various environmental changes, predation and also could be due to anthropogenic activities like marine pollution induced due to heavy metal pollution etc. A multi species and multi gears fishery exists in India. Visakhapatnam fishing harbor is
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Length-Weight, Length-Length Relationships and Condition of the Conchfish Astrapogon stellatus Cope, 1867 (Teleostei: Apogonidae) in the Mesoamerican Reef System, Mexico Thalassas (IF 0.657) Pub Date : 2021-01-18 Miguel Mateo Sabido-Itzá, Martha Beatriz Hernández-Millán, Alejandro Medina-Quej, José Manuel Castro-Pérez, Alejandra Guadalupe Moo-Archi, Emma Lucely Poot-Tuk
Length-weight (LWR), length-length (LLR) relationships and relative condition factor (Kn) were determined for the conchfish Astrapogon stellatus (Cope, 1867) in the Mesoamerican Reef System, Mexico. A total of 26 specimens were collected between 2016 and 2018. The LWR for A. stellatus was W = 0.0159*TL2.972. LLR was highly significant (r2 = 0.989) and the range of Kn was 0.85–1.26. These findings have
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First Report of Conger Eel (Anguilliformes: Congridae) Ariosoma majus (Asano, 1958) From Indian Ocean Thalassas (IF 0.657) Pub Date : 2021-01-15 Debnarayan Roy, Tapan Khatua, Dipanjan Ray, Anil Mohapatra
Present paper reports Ariosoma majus (Asano, 1958) for the first time from the Indian Ocean on the basis of three specimens (TL: 246–290 mm) collected from Deshpran Fishing harbor, West Bengal, India. Current study compares morphometric measurement and meristic counts of the specimens from the Indian Ocean and the Pacific Ocean.
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First Record of Deepwater Scorpionfish Phenacoscorpius adenensis ( Teleostei: Scorpaenidae) from India, Central Indian Ocean Thalassas (IF 0.657) Pub Date : 2021-01-13 K. K. Idreesbabu, S. Sureshkumar
Phenacoscorpius adenensis Norman 1939, a rare deepwater scorpionfish was collected from Kavaratti Island, Lakshadweep Archipelago, and reported for the first time from the Central Indian Ocean and Indian waters. P. adenensis, which is morphologically similar to many closely related species, is described, and the specimen is preserved, catalogued and kept in reference museum.
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Length-Weight Relationships of Four Demersal Fish Species from Chendering, Terengganu, Malaysia Thalassas (IF 0.657) Pub Date : 2021-01-12 Ahasan Habib, Muhammad Irfan Ahmad Hanizar, Mohd Syazwan Kamal, Mohd Alfi Shahrin Azmi, Ying Giat Seah
The length-weight relationships (LWRs) of four demersal fish species were estimated using fishes collected over a seven-year period (2012–2019) from the commercial fish landing jetty of Chendering, Terengganu, Malaysia. These fishes had been caught in every fourth quarter of the year from the Terengganu water of South China Sea using trawl net (local name: pukat tunda) with 38 mm cod end mesh size
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Genetic Diversity Evaluated through Mt-DNA COI Gene among Population of the Thenus unimaculatus in the Indo West Pacific Region Thalassas (IF 0.657) Pub Date : 2021-01-11 Noor Us Saher, Farah Naz, Syeda Hadiqa Noor, Mustafa Kamal
The Thenus species are the most inexpensively significant catch component of demersal trawl shrimp fisheries in the Indo West Pacific region. Previously inadequate specimens of T. unimaculatus identified from India, Thailand, United Arab Emirates, Spain and Mozambique. In the present study genetic diversity of T. unimaculatus based on mt-DNA COI gene sequences in the Indo-West Pacific region evaluated
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Determination of Fishing Grounds Distribution of the Indian Mackerel in Malaysia’s Exclusive Economic Zone Off South China Sea Using Boosted Regression Trees Model Thalassas (IF 0.657) Pub Date : 2021-01-09 Yeny Nadira Kamaruzzaman, Muzzneena Ahmad Mustapha, Mazlan Abd Ghaffar
With the ongoing climate change affecting the ocean, there is a need to understand and predict the future distributions of marine species in order to assess the sustainability of marine ecosystem. In this study, remotely-sensed satellite oceanographic data together with Indian mackerel (Rastrelliger kanagurta) fishery dataset were used to predict potential fishing grounds in the Exclusive Economic
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Diatom Assemblages From Surface Sediments of Two Coastal Lagoons, the Central Part of the Red Sea, Saudi Arabia and Their Associated Environmental Variables Thalassas (IF 0.657) Pub Date : 2021-01-08 Abdelfattah A. Zalat, Mostafa M. El-Sheekh, Ibrahim M. Ghandour, Ali S. Basaham
The composition and distribution pattern of diatom assemblages in the surface sediments of Sharm Al-Kharrar and Al-Shuaiba lagoons, situated on the central part of the Red Sea coastline of Saudi Arabia, were analyzed. A total of 191 diatom species from 53 genera were identified. A highly diverse diatom flora dominated by the genera Mastogolia, Amphora sensu lato, Lyrella, and Navicula sensu lato species
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Acetes as a Keystone Species in the Fishery and Trophic Ecosystem Along Northeastern Arabian Sea Thalassas (IF 0.657) Pub Date : 2021-01-07 Vinaya Kumar Vase, Mohammed K. Koya, Gyanaranjan Dash, Swatipriyankasen Dash, K. R. Sreenath, D. Divu, Rajan Kumar, Shikha Rahangdale, Rajesh K. Pradhan, Abdul Azeez, Kapil S. Sukhdhane, K. G. Jayshree
Diet composition of nine commercially exploited fishery resources which contributes 55–60% of the total fish landings in the northwest coast of India were analyzed in this study. Gut content analysis of the selected fish groups has shown significant variations in the prey composition and predator preference on a prey item. The diet matrix revealed Acetes sp. (32.74%) as a key and common shared prey
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First Record of Australian Sawcheek Scorpionfish, Brachypterois curvispina , (Actinopterygii: Scorpaeniformes: Scorpaenidae) From the St. Martin Island, Bangladesh Thalassas (IF 0.657) Pub Date : 2021-01-07 Md. Abu Hanif, Muhammad A. B. Siddik, Md. Aminul Islam, Md. Rajib Sharker
The composition and ichthyofaunal diversity of the Bay of Bengal and its adjacent coast have been being explored with time. Australian sawcheek scorpionfish, Brachypterois curvispina is a newly reported species in Bangladeshi water recorded from the St. Martin Island (coral reef) off the Bay of Bengal coast. The identity of this species was confirmed by comparing it with the published morphological
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Demographics of Butterfly Fish, Heniochus acuminatus (Perciformes, Chaetodontidae) from the Gulf of Mannar, India Thalassas (IF 0.657) Pub Date : 2021-01-07 G. Mahadevan, Sachin M. Gosavi, P. Murugesan, A. Arumugam
Butterfly fishes are widely distributed throughout the Indo-Pacific Ocean and are often caught in large quantity by shrimp trawlers as a by-catch species. These fish are ecologically and commercially important, as they are ecological indicators of coral health and a major component of ornamental and by-product fisheries. However, owing to their low value for direct human consumption as a food, there
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Length-Weight Relationships of Six Fish Species of a Rocky Intertidal Shore on the Subtropical Atlantic Coast of Spain Thalassas (IF 0.657) Pub Date : 2021-01-06 Jesus C. Compaire, Carmen Gómez-Cama, Milagrosa C. Soriguer
Length-weight relationships (LWRs) for six fish species caught from tidepools in an intertidal rocky shore in the Gulf of Cadiz are presented. This study presents the first data on LWR for Clinitrachus argentatus (WT = 0.0069 * TL3.077), Coryphoblennius galerita (WT = 0.0051 * TL3.409), and Parablennius incognitus (WT = 0.0090 * TL3.113) outside the Mediterranean Sea and adjacent eastern waters. The
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Structure and Diversity of the Demersal Fish Assemblages off Psara Island (Central Aegean Sea) Caught by Experimental Bottom Trawling Thalassas (IF 0.657) Pub Date : 2021-01-04 Athanasios Evagelopoulos, Ioannis E. Batjakas, Drosos Koutsoubas
Data with high spatial resolution on the structure and diversity of marine assemblages are valuable for fisheries management and conservation planning but are seldom available. This study provides fisheries-independent, baseline information on the structure and diversity of the demersal fish assemblages of the continental shelf and upper slope off the island of Psara (Central Aegean Sea). Experimental
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Recent Ostracoda from the shelf sediments of Southwestern part of Bay of Bengal: Implication on Microenvironments Thalassas (IF 0.657) Pub Date : 2021-01-04 T. Sathiyabama Alias Priyanka, Anbuselvan N, Senthil Nathan D, S. M. Hussain
A detailed study on Recent Ostracoda was carried out in twenty-six surface sediment samples collected from shelf region of the Southwestern part of Bay of Bengal. A total of 21 species of Ostracoda belonging to 18 genera have been identified, of which, seven species are abundant (>5%). The Q-mode and R-mode cluster analyses of the abundant species resulted in two assemblage defining different microenvironments
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A Multi-decadal Comparative Analysis of a Set of Physicochemical and Nutrient Parameters in the Tropical Tidal Creeks of Indian Sundarban Mangrove Biosphere Reserve Thalassas (IF 0.657) Pub Date : 2021-01-04 Sanghamitra Basu, Abhra Chanda, Pranab Gogoi, Subarna Bhattacharyya
Salinity, pH, dissolved oxygen (DO), dissolved inorganic nitrate (DIN), dissolved inorganic phosphate (DIP), and reactive silicate (DSi) concentrations were measured in three tidal creeks in the Sagar Island (situated within the Sundarban Biosphere Reserve, India) during 2016–17, once in a month throughout an annual cycle. The present observations were compared with a study carried out three-decade
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Updated Distribution Range of Toadfishes ( Sanopus Smith 1952, Batrachoididae) in the Southern Gulf of Mexico and Mexican Caribbean Thalassas (IF 0.657) Pub Date : 2020-11-26 Damián A. Cedillo-Reyna, Joshany M. Clarke-Acosta, Alfonso Aguilar-Perera
Worldwide, toadfishes (Batrachoididae) comprise 83 species belonging to 23 genera. In the western Atlantic, there are seven genera and 23 species, and the genus Sanopus Smith 1952 has six species with limited geographic distribution range in the Gulf of Mexico (GOM) and Caribbean Sea (CS). This work compiled and reviewed information from scientific literature and database revisions on distribution
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The Horseface Unicornfish Naso fageni Morrow, 1954 in Omani Waters: a Verification of a Prior Visual Sighting from the Sea of Oman Thalassas (IF 0.657) Pub Date : 2020-11-24 Laith A. Jawad, Juma M. AL-Mamry
The first confirmed record of the horseface unicornfish, Naso fageni Morrow, 1954, in Omani waters is reported here, based on a specimen of 550 mm total length which has been collected by gill nets on the coast of Quriat City, 120 km south of Muscat, the capital of Oman. Morphometric and meristic data are provided and compared with those of several specimens of this species from other parts of the
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Taxonomic Notes on Juvenile Homolax megalops (Alcock 1894) from Kollam, Southwest Coast of India, Arabian Sea Thalassas (IF 0.657) Pub Date : 2020-11-17 Rekha Devi Chakraborty, G. Maheswarudu, P. Purushothaman
The present study reports the taxonomic notes on Homolax megalops (Alcock 1894) off Kollam, Southeastern Arabian Sea. Homolax displayed close relationship with Paromola species, even though these were found to differ with respect to the length of pseudorostral spines. Additionally, the study documented the DNA sequences and genetic divergence between the genus Homolax and Homola (COI: 27.3%). Phylogenetic
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Physiological Responses of Marine Macroalgae to Chlorine Dioxide Treatment Thalassas (IF 0.657) Pub Date : 2020-11-09 M. M. El-Sherbiny, S. Satheesh, M. A. Ba-Akdah
Chlorination is a widespread fouling control practice in water intake structures of power plants and desalination plants. Chlorine dioxide is used as an alternative to chlorine gas and sodium hypochlorite for controlling biofilms and biofouling. In this study, the physiological responses of two macroalgal species Ulva reticulata and Hypnea musciformis to chlorine dioxide treatment was studied under
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Length–Weight and Length–Length Relationships for Six Blenny Species from Iranian Coasts of the Persian Gulf and the Gulf of Oman (Teleostei: Blenniidae) Thalassas (IF 0.657) Pub Date : 2020-11-09 Maryam Sharifiniya, Hamed Mousavi-Sabet, Mohammad Sadegh Alavi-Yeganeh, Mehdi Ghanbarifardi
This study describes the length–weight (LWR) and length–length (LLR) relationships for six blenny species collected along the southern coasts of Iran, during occasional sampling from 2017 to 2018. The LWR and LLRs data for Antennablennius variopunctatus, Omobranchus fasciolatus [both from the Qeshm Island in the Persian Gulf] and Alticus kirkii, Antennablennius bifilum, Entomacrodus striatus and Parablennius
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Identification of Bioactive Compounds and Evaluation of the Antimicrobial and Anti-biofilm Effect of Psammocinia sp. and Hyattella sp. Sponges from the Persian Gulf Thalassas (IF 0.657) Pub Date : 2020-11-09 Homa Hamayeli, Mehdi Hassanshahian, Majid Askari Hesni
Biofilms are microbial communities that bind to surfaces resist adverse conditions. Increasing the survival of bacteria in biofilm structures compared to their planktonic form causes problems in drug treatment. On the other hand, drug resistance in the world is increasing and the need to discover and identify new compounds with the antimicrobial effect is felt. Marine sponges are adapted to unique
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A Spatial Ecological Study Based on Benthic Foraminifera off Central West Coast of India: An Approach through Cluster Analysis with Special Reference to Oxygen Minimum Zone Thalassas (IF 0.657) Pub Date : 2020-11-05 Abhijit Mazumder, Rajiv Nigam
Fifty-two surface samples collected from a depth range between 15 and 3300 m from the Vijaydurg-Karwar sector off the central west coast of India were analyzed for benthic foraminifera. A total of 386 benthic foraminifera were identified to species level. The relative abundances of 21 major genera (>5% in at least two stations) were plotted on a distribution map as well as on a kite diagram. Most of
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Community Structure and Spatial Patterns of Soft-Bottom Macrozoobenthos in Oualidia Lagoon, Moroccan Atlantic Thalassas (IF 0.657) Pub Date : 2020-11-02 Fatima El Asri, Daniel Martin, Ahmed Errhif, Mohamed-Naoufal Tamsouri, Mohamed Maanan, Hakima Zidane
The paper analyses the composition, structure and spatial organization of the soft-bottom macrozoobenthos inhabiting Oualidia lagoon (Moroccan Atlantic coasts), as well as their relationships with the main environmental variables. Material for the study was collected from 43 stations in winter 2013. A total of 56 taxa belonging to 6 phyla were recorded. Species diversity showed the highest values for
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Documentation of Istiblennius dussumieri (Blenniiformes: Blenniidae) from the Northern Bay of Bengal, with Ecological Notes Thalassas (IF 0.657) Pub Date : 2020-10-30 Md. Tariful Islam Fuad, Istiuk Ahammed Rubby, Md. Harun Rasid, Mohammed Shah Nawaz Chowdhury, S.M. Sharifuzzaman
This study presents the first detailed description of a blenniid fish, Istiblennius dussumieri (Valenciennes 1836) from Bangladesh, representing the northernmost limit of its distribution in the Bay of Bengal. Based on nine specimens collected from the rocky tidepool habitat, diagnostic accounts of I. dussumieri are provided with photographs showing sensory pores and cirri, which are rarely illustrated
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New Geographical Record of the Rainbow Runner, Elagatis bipinnulata (Quoy & Gaimard, 1825) (Perciformes: Carangidae) from the Bay of Bengal, Bangladesh Thalassas (IF 0.657) Pub Date : 2020-10-26 Tonmoy Saha, Sujan Kumar Datta, Ayesha Akhter Zhilik, Nishat Zahan Chowdhury, Mohammad Abdul Baki, Md. Sagir Ahmed
This paper describes the first record of the rainbow runner Elagatis bipinnulata (Perciformes: Carangidae) from Cox’s Bazar, the North eastern part of Bay of Bengal, Bangladesh. Two specimens of E. bipinnulata ware collected on 23 June 2018 from the Bangladesh Fisheries Development Corporation Fish Landing Center of Cox’s Bazar. Morphometric and molecular approaches were applied for identification
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Determination and Origin Apportionment of Polycyclic Aromatic Hydrocarbons (PAHs) in Posidonia oceanica Samples around Gökçeada Thalassas (IF 0.657) Pub Date : 2020-10-09 Esra Billur BALCIOĞLU
The study was carried out in Gökçeada, located in the North Aegean Sea in 2017, during winter and summer seasons and the concentrations of 16 polycyclic aromatic hydrocarbon (PAH) components were determined in P. oceanica type seagrass samples. Total PAH (TPAH) values ranged from 190.8 to 7668.7 ng g−1 dw during the sampling period. In addition, the source of pollution was investigated by using PAH
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Population Structure and Reproductive Biology of Two Sympatric Species of Persephona (Brachyura: Leucosiidae) off Northeastern Brazil Thalassas (IF 0.657) Pub Date : 2020-10-07 Josafá Reis-Júnior, Kátia M. F. Freire, Leonardo C. Rosa, Thaíza M. R. R. Barreto
The objective of this study was to evaluate the population structure and reproductive biology of Persephona lichtensteinii and P. puncata off Sergipe, two common species found in the bycatch of shrimp trawlers. Four samples of 6 kg were collected monthly from trawlers based in Pirambu-Sergipe. All individuals of Persephona were separated, identified, and weighed (TW, total weight, g). Carapace length
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Evaluating the Fish Community of “Los Petenes” Biosphere Reserve, Campeche, Mexico, through the Characteristics of the Environment and Indicators of Taxonomic Diversity Thalassas (IF 0.657) Pub Date : 2020-09-08 M. J. Can-González, J. Ramos-Miranda, L. A. Ayala-Pérez, D. Flores-Hernández, F. J. Gómez-Criollo
The coastal zone of Los Petenes” Biosphere Reserve, is a critical breeding habitat for many species, particularly fish. Despite its low anthropic impact, development on the coastal area around the reserve is gradually increasing and fishing activities continue to grow; however, there are few studies on fish communities and the characteristics of their environment. In addition, there are no reference
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Size Frequency, Length-Weight, and Length-Length Relationship of Bearded Worm Goby Taenioides cirratus (Blyth, 1860) from the Noakhali Coast, Bay of Bengal Thalassas (IF 0.657) Pub Date : 2020-09-05 Mohammad Abdul Momin Siddique, Mahfuzur Rahman, Najmus Sakib Khan, Md. Mohidul Islam
Size frequency, length-weight relationships (LWRs), and length-length relationships (LLRs) for an estuarine fish Taenioides cirratus (Blyth, 1860) from the Noakhali coast, Bay of Bengal was studied. Specimens were caught with the fixed purse net of two mesh sizes (0.2 to 0.5 in. and 2.0 to 2.5 in.) from March to July 2019. The maximum total length for male T. cirratus (36.2 cm) reported in this study
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Temporal Dynamics of Fishing Affect the Biodiversity of Macrobenthic Epifaunal Communities in the Coastal Waters of Ningbo, East China Sea Thalassas (IF 0.657) Pub Date : 2020-08-27 Xun Liu, Yinong Wang, Haifeng Jiao, Chen Chen, Dong Liu, Huixiong Shi, Zhongjie You
Spatio-temporal patterns of macrobenthic epifaunal communities with fishing disturbances indicate that the fishing process directly leads to a decrease in diversity and substratum sediment homogenization. However, it has not yet been explored exclusively at the community reconstruction dynamic level with fishing changes over time. This study monitored the macrobenthic epifaunal communities during the
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First Insight into the Biological Aspects of the Crocodile Shark Pseudocarcharias kamoharai in the Eastern Pacific Ocean Thalassas (IF 0.657) Pub Date : 2020-08-26 Colombo Estupiñán-Montaño, Felipe Galván-Magaña
The crocodile shark Pseudocarcharias kamoharai (Matsubara, 1936) is a species caught incidentally off the coast of Ecuador with no commercial importance in the country. As with many elasmobranch species, very little is known about its general biology. The aim of this study was to provide baseline information to enhance the knowledge on various aspects of the biology of this species. During the years
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Four New Records of Brachyuran Crabs (Crustacea: Decapoda: Brachyura) from India Thalassas (IF 0.657) Pub Date : 2020-08-25 Jigneshkumar Trivedi, Santanu Mitra, Pooja Patel, Swapnil Gosavi, Kauresh Vachhrajani
The present study is a part of long term ongoing study on brachyuran crab diversity of India. The specimens were collected from intertidal zone as well as from the fisheries by-catch captured using commercial trawler. The specimens were identified up to species level using standard literature. From the collection, four species of brachyuran crabs, Schizophrys pakistanensis Tirmizi & Kazmi, 1995 (Majidae)
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Identification and Sexually Dimorphic Expression of a FoxL2-like Gene in Mud Crab ( Scylla paramamosain ): Potential Roles in Male Differentiation and Development Thalassas (IF 0.657) Pub Date : 2020-08-24 Yuying Yuan, Jiali Lin, Xueying Tan, Xi Shi, Shaobin Fang, Yin Zhang, Hongyu Ma, Fan Lin
Monosex breeding technology has received enormous attention for the Scylla paramamosain, an economic crustacean species with distinctive sexual dimorphism. However, the molecular mechanism of gonadal development and sexual differentiation still remain inconclusive. In this study, we reported the cloning, characterization of a FoxL2-like gene with male-biased expression in the mud crab (SpFoxL2). The
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Vegetative and Sexual Reproduction of Bloom-forming Dinoflagellate Noctiluca Scintillans (Ehrenberg) McCartney from Tropical Cochin Estuary (Southwest coast of India): In-situ and Laboratory Studies Thalassas (IF 0.657) Pub Date : 2020-08-24 Twinkle Sathish, Lathika Cicily Thomas, K. B. Padmakumar
The lifecycle of red tide forming dinoflagellate Noctiluca scintillans (Ehrenberg) McCartney was investigated from the estuarine waters of Cochin and also from their clonal cultures. Reproductive divisions including asexual binary fission and sexual isogamete formation were studied. Certain vegetative cells were observed to undergo binary fission. Gametocyte mother cells underwent meiosis followed
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Late Holocene Red Sea Coastal Evolution: Evidence from Shallow Subsurface Sedimentary Facies, North Al-Wajh, Saudi Arabia Thalassas (IF 0.657) Pub Date : 2020-08-21 Ibrahim M. Ghandour, Jawad Majeed, Aaid G. Al-Zubieri, Ammar A. Mannaa, Mohammed H. Aljahdali, Rashad A. Bantan
The stratigraphy of the late Holocene shallow subsurface coastal sediments, North Al-Wajh, Saudi Arabia was investigated to reconstruct the environmental evolution of the area in relation to sea-level changes. Five shallow cores (1.1 to 2.2 m long) were collected from the intertidal flat bordering the Dumaygh Lagoon, and the mouths of wadis Antar and Haramil. The cores exhibit siliciclastic-dominated
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Survival, Growth, and Metabolic Changes in Eastern School Prawn ( Metapenaeus macleayi ) across a Spectrum of Salinities Thalassas (IF 0.657) Pub Date : 2020-08-18 Catherine McLuckie, Natalie Moltschaniwskyj, Troy Gaston, R. Hugh Dunstan, Marcus Crompton, Matthew D. Taylor
Variation in salinity is one of the principal changes in estuarine physicochemistry that can impact the productivity of estuarine species. The effect of salinity on the mortality, growth, and metabolite profiles of juvenile Eastern School Prawn (Metapenaeus macleayi) was evaluated across a salinity gradient ranging from 0.2–36 over 60 days. Survival was >70% for salinity treatments other than the lowest
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Additional Records of Tripletail Lobotes surinamensis (Bloch, 1790), from the Eastern Mediterranean Thalassas (IF 0.657) Pub Date : 2020-08-17 Vasileios Minasidis, Nikolaos Doumpas, Periklis Kleitou, Roxani Naasan Aga Spryridopoulou, Paschalis Papadamakis, Ioannis Giovos
In the Mediterranean Sea, Lobotes surinamensis (Bloch, 1790) is considered as a rare species, albeit an increasing number of individual-based sightings published in the literature. In this study, we present 32 additional records of this thermophilic species from the Greek and Cypriot waters; reinforcing the evidence that the species is becoming more common to the region. All of the records were collected
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New Record of Charophytes (Characeae, Charophyta) from Socotra Island, Indian Ocean, Yemen Thalassas (IF 0.657) Pub Date : 2020-08-13 Abdelfattah A. Zalat, Mohammed A. AL-Wosabi, Mostafa M. El-Sheekh, Abdel Kareem A. Al-Subbary
The charophyte flora from Socotra Island, Indian Ocean, studied for the first time from streams waterbodies that distributed at the northern part of the Island. The recognized charophyte taxa were taxonomically investigated, and four dominant species belonging to family Characeae are identified as Chara braunii, C. globularis, C. hispida and Lamprothamnium papulosum. These taxa are reported as a new
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Spatial-Temporal Distribution of the Burrowing Shrimp Callichirus major (Say, 1818) (Decapoda, Callichiridae) in Preserved Populations of Southeastern Brazil Thalassas (IF 0.657) Pub Date : 2020-08-13 Ivan Rodrigo Abrão Laurino, Francisco Sekiguchi Buchmann, Patricio Hernáez
The understanding of the processes that regulates the distribution of the resident macroinfauna on sandy beaches is an urgent need at the current global change scenario. Here, we examine whether the spatial-temporal distribution of the burrowing shrimp Callichirus major (Callichiridae) is affected by the climatic and tidal regimes in two sandy beaches of Brazil (José de Menino and Itaguaré), where
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First Record of Box Jellyfish Tripedalia cystophora Conant, 1897 (Cubozoa: Tripedaliidae) from India Thalassas (IF 0.657) Pub Date : 2020-08-11 Abdul Riyas, Appukuttannair Biju Kumar
This study reports the occurrence of box jellyfish Tripedalia cystophora from the brackish water of Kerala, India for the first time. The other reports of this species were from Jamaica, the Philippines, Ecuador, Japan, Puerto Rico, Brazil, Indonesia, Florida, Thailand, Grand Bahama, Seychelles, Comoros, Australia, Hawaii and the Gulf of Mexico. The present study collected four specimens (two each
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Comparative Analysis of Mono and Combined Microalgal Diets on Growth Parameters of Salmacis bicolor Larvae Thalassas (IF 0.657) Pub Date : 2020-08-06 M. Gobala krishnan, S. R. Radhika Rajasree, L. Aranganathan, M. G. Karthih
The present study investigates the effect of four microalgal diets in two dietary modes viz. mono diets (Dunaliella salina, Isochrysis galbana, Chaetoceros calcitrans) and combined diet (Isochrysis galbana and Chaetoceros calcitrans) on growth parameters such as morphological development, larvae survival and metamorphosis of Salmacis bicolor species grown under laboratory conditions for a period of
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First Report of a Snake Eel, Ophichthus sangjuensis (Ji and Kim, 2011), (Anguilliformes: Ophichthidae), from Indian Ocean Thalassas (IF 0.657) Pub Date : 2020-07-28 Anil Mohapatra, Dipanjan Ray, Swarup Ranjan Mohanaty, Subhrendu Sekhar Mishra
Ophichthus sangjuensis (Ji and Kim, 2011), a species reported earlier from the Korean water as Pisodonophis sangjuensis Ji and Kim, 2011, of the Northern Pacific Ocean, is reported here from Indian waters on the basis of 8 specimens collected from the Bay of Bengal. The present paper reports the species for the first time from Indian waters and the distributional range of the species by this report
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Effect of Water Temperature on Survival, Growth and Molting Cycle During Early Crablet Instar of Mud Crab, Scylla paramamosain (Estampador, 1950) Thalassas (IF 0.657) Pub Date : 2020-07-28 Muhammad Nur Syafaat, Syahnon Mohammad, Mohamad Nor Azra, Hongyu Ma, Ambok Bolong Abol-Munafi, Mhd Ikhwanuddin (CA)
This study aimed to determine the effect of rearing water temperature on survival, growth and molting cycle of the mud crab, S. paramamosain from Megalopa up to 1st crablet instar (Crablet 1) and from Crablet 1 to 2nd crablet instar (Crablet 2). Different water temperature regimes were implemented i.e. 20 °C, 24 °C, 28 °C, 32 °C, 36 °C and ambient temperature. The observed parameters were: successful
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Growth, Condition, Mortality and Exploitation Status of Elongated Mudskipper, Pseudapocryptes elongatus (Cuvier, 1816) from Indian Sundarbans Mudflats: Implications for Fisheries Management, Aquaculture and Conservation Thalassas (IF 0.657) Pub Date : 2020-07-13 G. Mahadevan, Sachin M. Gosavi, P. Murugesan
The present study investigates the demographic characteristics of economically, ecologically and medicinally important mudskipper species, Pseudapocryptes elongatus (Cuvier, 1816) from Indian Sundarbans, based on data collected over 15 consecutive months. Length-frequency data of 945 individuals collected from the Indian Sundarbans were analyzed using a FAO-ICLARM Stock Assessment Tool. Length–weight
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New Distributional Record of Hasselt’s Bamboo Shark Chiloscyllium hasseltii (Orectolobiformes: Hemiscylliidae) from Bangladesh Waters Thalassas (IF 0.657) Pub Date : 2020-07-10 Sujan Kumar Datta, Tonmoy Saha, Nusrat Jahan Sanzida, Sumaiya Ahmed, Md. Anwarul Azim Akhand, Md. Sagir Ahmed
A new record of Hasselt’s bamboo shark Chiloscyllium hasseltii (Orectolobiformes: Hemiscylliidae) has been confirmed from the St. Martin’s Island, the northeastern part of the Bay of Bengal of Bangladesh. Two male specimens were collected on 19th December 2018 from the coast of St. Martin’s Island as a bycatch of the local fishermen. The traditional morphometric method was applied for taxonomic identification
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Biofouling Community Development on Commercial Cage Nets Submerged in a Cage Aquaculture Facility in the Red Sea Thalassas (IF 0.657) Pub Date : 2020-07-09 Mohammad Abdulaziz Ba-Akdah, Sathianeson Satheesh, Mohsen M. O. El-Sherbiny
The colonization of biofouling organisms is a significant problem for the aquaculture installations which affect the economy of the fish farms and wellbeing of the cultured fish. In this study, the colonization of biofouling organisms on cage aquaculture nets submerged near to the existing floating cages was analysed for a period of one year from June 2017 to May 2018. Cage net panels were fitted onto
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New Records of Penaeus aztecus Ives, 1891 from the Eastern Ionian Sea Thalassas (IF 0.657) Pub Date : 2020-07-03 John Α. Theodorou, Efthimios Spinos, Evangelos Konstantinidis, Costas Perdikaris
Brown shrimp Penaeus aztecus Ives, 1891 seems to be well adapted in the Ionian Sea since its first occurrence in the coastal zone of the island of Corfu during 2013. In the current work, we present additional new records from Argostoli Gulf (Cephalonia Island), Sagiada Bay (Therspotia, NW Greece) and Mesoggi (Corfu Island), which verify the wider distribution of the species. Moreover, direct contacts
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Population Structure and Relative Growth of the Marbled Crab ( Pachygrapsus marmoratus ) in the Aegean Sea (Turkey) Thalassas (IF 0.657) Pub Date : 2020-07-03 Fikret Öndes, Onur Karadal
Although crab Pachygrapsus marmoratus, is one of the common species in the intertidal zones of the Aegean coasts of Turkey, its’ population structure has not been investigated to date. This study aimed to provide information on population characteristics of Pachygrapsus marmoratus, including the sex ratio, size distribution, spawning period, relative growth and catch per unit effort (CPUE). The samples
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The “ Sardine run ” along the Coastal Waters off Kanhangad (Kasaragod), South West Coast of India Thalassas (IF 0.657) Pub Date : 2020-07-02 Twinkle Sathish, Aishwarya Purushothaman, K. B. Padmakumar
The Sardine run associated with a bloom of the diatom genus Fragilariopsis was observed along the inshore coastal waters off Kanhangad during the last phase of the summer monsoon 2019. There was an unusual shoreward dumping of live oil sardines along with the waves throughout the day. High salinity (33 psu) and nutrient concentrations (Nitrate 16.33 μmol L−1 and silicate 13.9 μmol L−1) favoured the
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Influence of Lead on Reproductive Physiology and Gonad and Liver Histology of Female Cyprinus carpio Thalassas (IF 0.657) Pub Date : 2020-07-02 Cengiz Korkmaz, Özcan Ay, Ahmet Erdem Dönmez, Burcu Demirbağ, Cahit Erdem
Sera 17β-estradiol (E2), 11-ketotestesteron (11-KT) and 17,20-β-dihydroxy-4-pregnen-3-one (17,20βP) levels together with histological changes in liver and gonad tissues were determined after exposing sexually mature female C.carpio to 0.13 and 0.26 mg L− 1 lead for 7, 14 and 21 days. Effects of lead on hepatosomatic - gonadosomatic indices of female fish were also determined after these exposure periods
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Assessment of Trace Elements in the Demersal Fishes of a Coastal River in Bangladesh: a Public Health Concern Thalassas (IF 0.657) Pub Date : 2020-06-30 Mir Mohammad Ali, M. Lokman Ali, Ram Proshad, Saiful Islam, Zillur Rahman, Tapos Kormoker
Trace elements contamination in the aquatic ecosystem is a current and major environmental concern due to their non-degradable nature and toxic effects on human health. Concentrations of arsenic (As), chromium (Cr), cadmium (Cd) and lead (Pb) in fish were estimated to evaluate contamination levels and health risks for Bangladeshi adults. A total of six demersal fish species namely Mystus vittatus,
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Genetic Structure of Amphioctopus ovulum (Mollusca: Cephalopoda: Octopodidae) as Revealed by Mitochondrial and Nuclear DNA Thalassas (IF 0.657) Pub Date : 2020-06-26 Faiz Muhammad, Canfeng Dou, Liqin Liu, Gong Li, Punhal Lashari, Zhen-ming Lü
Amphioctopus ovulum is an important species found along the China coast distributed from the East China Sea to the South China Sea. This is the first study about the population structure and diversity carried out for this species in the China Sea. Two mitochondrial DNA genes Cytochrome oxidase subunit 1 and Cytochrome b (CO1 & Cytb) and one nuclear DNA gene (Heat shock protein 70 (HSP-70) were used
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Four New Records of Eunicidae (Annelida: Polychaeta) from the Western Philippines Islands Thalassas (IF 0.657) Pub Date : 2020-06-22 Ainhoa Díaz, Eduardo López
During December 2010, an expedition was conducted to the Philippines Islands aiming to collect coastal polychaetes in the area. Among the abundant material, 593 individuals belonging to the family Eunicidae (Annelida; Polychaeta) were found and studied, and their identification yielded seven species. Four of them were new records to Philippines, enlarging the list of eunicid polychaetes of the country
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Migratory History of the Fourspine Sculpin Rheopresbe kazika , a National Monument Species in Japan Thalassas (IF 0.657) Pub Date : 2020-06-12 Naoko Chino, Takaomi Arai
The fourspine sculpin Rheopresbe kazika is a cottid fish endemic to Japan, and this fish is designated as a national monument species in some areas of the country. The natural population of the fish has decreased in recent years, and therefore various efforts have been made to establish an efficient culture system for this species. However, there is little information available regarding the life history
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New Distributional Record of Petal-Eyed Swimmer Crab, Vojmirophthalmus minabensis (Sakai 1961) (Portunidae: Podophthalminae) from Indian Waters Thalassas (IF 0.657) Pub Date : 2020-06-11 Mariasingarayan Yosuva, Chinnathambi Viswanathan, Vijay Kumar Deepak Samuel, Kanagaraj Chamundeeswari, Ramachandran Purvaja, Ramachandran Ramesh
The petal-eyed swimmer crab, Vojmirophthalmus minabensis (Sakai 1961) is reported for the first time from the Indian coast. A single ovigerous female specimen was collected from the Nochikuppam fish landing centre, Chennai coast, southeast India. This species has previously been recorded only from the Sea of Japan and off the coast of Sarawak, Borneo. This report widens the knowledge of its distribution
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Echinodermata from Barra de Mamanguape, Northeast of Brazil, Tropical Southwestern Atlantic Thalassas (IF 0.657) Pub Date : 2020-06-11 Jéssica Prata, Victória Stevenson, Jailma Silva, Silvio F. B. Lima, Martin Lindsey Christoffersen
The Mamanguape River estuary represents an important environment for marine species, where there are the combination of soft-bottoms and reefs zones. The present study reports on the echinoderm species inhabiting Barra de Mamanguape, at Northeast coast of Brazil. A total of 83 specimens were analyzed, belonging to 13 species, 10 families and the classes Crinoidea, Ophiuroidea, Echinoidea and Holothuroidea
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Partial Substitution of Fishmeal with Plant Protein Source the Soybean Meal in the Diets of Arabian Yellowfin Seabream Acanthopagrus arabicus Juveniles Thalassas (IF 0.657) Pub Date : 2020-06-11 Naveed Ahmad, Jamal Pirzada A. Siddiqui, Ghulam Nabi, Khan Mir Khan, Amjad Ali, Yasmeen Zamir, Mohammad Abdul Momin Siddique, Shabir Ali Amir, Farah Naz Khokhar, Muhammad Amin
The present study was designed to assess the alternate environmental friendly source of protein; here we report the suitability of soybean meal as a plant protein source for partial replacement of fishmeal in the diet of Arabian yellowfin seabream Acanthopagrus arabicus; reared in floating net cages. A total of 56 days feeding trial was conducted to evaluate the growth performance, feed utilization
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Length-Weight Relationships (LWRs) of Fourteen Marine Pelagic Fish Species in the Southeastern Arabian Sea Thalassas (IF 0.657) Pub Date : 2020-06-10 K. M. Rajesh, Prathibha Rohit, Subal Kumar Roul
The length-weight relationships (LWRs) of fourteen marine pelagic fish species were determined in the southeastern Arabian Sea. Specimens were collected on weekly basis from two major fishing harbours (Mangalore and Malpe) along the Karnataka coast during 2017–2018. The fish were caught using wide variety of fishing gears such as trawlnets, purse seines, ring seines, gillnets and long lines. The estimated
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New Record of Bearded Ghoul, Inimicus didactylus (Pallas, 1769) (Scorpaeniformes: Synanceiidae) from the Southeast Coast of India Thalassas (IF 0.657) Pub Date : 2020-06-09 Paramasivam Kodeeswaran, Jayasimhan Praveenraj, Natarajan Jayakumar
The Bearded Ghoul, Inimicus didactylus (Pallas, 1769), a member of stonefish family previously known to be distributed only in the western Pacific from southern Japan, northern Australia and Vanuatu is reported herein from the southeast coast of India. This report constitutes the fifth species of the genus Inimicus to be reported from the Indian waters. The meristic and morphological characters of