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  • Early effects of COVID‐19 on US fisheries and seafood consumption
    Fish Fish. (IF 6.785) Pub Date : 2020-11-23
    Easton R. White; Halley E. Froehlich; Jessica A. Gephart; Richard S. Cottrell; Trevor A. Branch; Rahul Agrawal Bejarano; Julia K. Baum

    The US seafood sector is susceptible to shocks, both because of the seasonal nature of many of its domestic fisheries and its global position as a top importer and exporter of seafood. However, many data sets that could inform science and policy during an emerging event do not exist or are only released months or years later. Here, we synthesize multiple data sources from across the seafood supply

  • Changes to the structure and function of an albacore fishery reveal shifting social‐ecological realities for Pacific Northwest fishermen
    Fish Fish. (IF 6.785) Pub Date : 2020-11-18
    Timothy H. Frawley; Barbara A. Muhling; Stephanie Brodie; Mary C. Fisher; Desiree Tommasi; Gwendal Le Fol; Elliott L. Hazen; Stephen S. Stohs; Elena M. Finkbeiner; Michael G. Jacox

    Marine fisheries around the globe are increasingly exposed to external drivers of social and ecological change. Though diversification and flexibility have historically helped marine resource users negotiate risk and adversity, much of modern fisheries management treats fishermen as specialists using specific gear types to target specific species. Here, we describe the evolution of harvest portfolios

  • Functional erosion and trait loss in fish assemblages from Neotropical reservoirs: The man beyond the environment
    Fish Fish. (IF 6.785) Pub Date : 2020-11-17
    Rosa Maria Dias; Anielly Galego de Oliveira; Matheus Tenório Baumgartner; Mirtha Amanda Angulo‐Valencia; Angelo Antonio Agostinho

    Anthropogenic impacts are altering ecosystems, especially aquatic habitats, resulting in the loss of critical biodiversity. This study aimed to evaluate the influence of human pressure, as surrogated by the human footprint index (HFI), on the functional diversity of fish assemblages from 109 Neotropical reservoirs while considering covariates such as temperature, flooded area and age since damming

  • Reconciling sustainability, economic efficiency and equity in marine fisheries: Has there been progress in the last 20 years?
    Fish Fish. (IF 6.785) Pub Date : 2020-11-08
    Kevern L. Cochrane

    This paper reviews the progress made over the last 20 years in achieving sustainable, economically efficient and socially just marine fisheries, referred to here as reconciled fisheries. It examines the substantial changes that have occurred in policies, practices and the challenges to fisheries. These include greater awareness of the impacts of climate change, implementation of ecosystem approaches

  • Parental care and reproductive strategies in notothenioid fishes
    Fish Fish. (IF 6.785) Pub Date : 2020-11-08
    Mario La Mesa; Facundo Llompart; Emilio Riginella; Joseph T. Eastman

    The adoption of parental care behaviours is the distinctive reproductive characteristic associated with the diversification and divergence of notothenioid fishes into an array of habitats in the subzero shelf and upper slope waters around Antarctica and sub‐Antarctic environments. These include a variety of pre‐ and post‐fertilization activities, including courtship behaviour and mate choice, linked

  • Fish and hyperoxia—From cardiorespiratory and biochemical adjustments to aquaculture and ecophysiology implications
    Fish Fish. (IF 6.785) Pub Date : 2020-11-01
    Tristan J. McArley; Erik Sandblom; Neill A. Herbert

    Hyperoxia occurs when water oxygen (O2) levels exceed normal atmospheric pressure (i.e., >100% air saturation). Fish can experience hyperoxia in shallow environments due to photosynthesis or in aquaculture through O2 supplementation. This review provides a comprehensive synthesis of the effects of hyperoxia on fish, spanning influences on cardiorespiratory function, acid‐base balance, oxidative stress

  • A synthesis of the coast‐wide decline in survival of West Coast Chinook Salmon (Oncorhynchus tshawytscha, Salmonidae)
    Fish Fish. (IF 6.785) Pub Date : 2020-10-30
    David Warren Welch; Aswea Dawn Porter; Erin Leanne Rechisky

    We collated smolt‐to‐adult return rate (SAR) data for Chinook salmon from all available regions of the Pacific coast of North America to examine the large‐scale patterns of salmon survival. For consistency, our analyses primarily used coded wire tag‐based (CWT) SAR estimates. Survival collapsed over the past half century by roughly a factor of three to ca. 1% for many regions. Within the Columbia River

  • European small pelagic fish distribution under global change scenarios
    Fish Fish. (IF 6.785) Pub Date : 2020-10-21
    Alexandre Schickele; Eric Goberville; Boris Leroy; Gregory Beaugrand; Tarek Hattab; Patrice Francour; Virginie Raybaud

    The spectre of increasing impacts on exploited fish stocks in consequence of warmer climate conditions has become a major concern over the last decades. It is now imperative to improve the way we project the effects of future climate warming on fisheries. While estimating future climate‐induced changes in fish distribution is an important contribution to sustainable resource management, the impacts

  • “Two‐Eyed Seeing”: An Indigenous framework to transform fisheries research and management
    Fish Fish. (IF 6.785) Pub Date : 2020-10-19
    Andrea J. Reid; Lauren E. Eckert; John‐Francis Lane; Nathan Young; Scott G. Hinch; Chris T. Darimont; Steven J. Cooke; Natalie C. Ban; Albert Marshall

    Increasingly, fisheries researchers and managers seek or are compelled to “bridge” Indigenous knowledge systems with Western scientific approaches to understanding and governing fisheries. Here, we move beyond the all‐too‐common narrative about integrating or incorporating (too often used as euphemisms for assimilating) other knowledge systems into Western science, instead of building an ethic of knowledge

  • Seabird‐induced natural mortality of forage fish varies with fish abundance: Evidence from five ecosystems
    Fish Fish. (IF 6.785) Pub Date : 2020-10-19
    Claire Saraux; William J. Sydeman; John F. Piatt; Tycho Anker‐Nilssen; Jonas Hentati‐Sundberg; Sophie Bertrand; Philippe M. Cury; Robert W. Furness; James A. Mills; Henrik Österblom; Giannina Passuni; Jean‐Paul Roux; Lynne J. Shannon; Robert J. M. Crawford

    Forage fish populations often undergo large and rapid fluctuations in abundance. However, most of their predators are buffered against such fluctuations owing to their slower pace of life, which allows them to maintain more stable populations, at least during short periods of food scarcity. In this study, we investigated top‐down processes exerted by seabirds on forage fish stocks in five contrasted

  • Climate impacts on the landings of Indian oil sardine over the south‐eastern Arabian Sea
    Fish Fish. (IF 6.785) Pub Date : 2020-09-28
    Faseela Hamza; Vinu Valsala; Anju Mallissery; Grinson George

    The landings of Indian oil sardine (Sardinella longiceps, Clupeidae) along the south‐eastern Arabian Sea are about 43.8% of total Indian oil sardine production. The annual landings of this species exhibit large‐scale variability with prolonged years of surplus or deficit landings without identified reason. Evaluating Indian oil sardine landings along the Kerala coast during 1961–2017 in relation to

  • Regional fisheries management organizations and the new biodiversity agreement: Challenge or opportunity?
    Fish Fish. (IF 6.785) Pub Date : 2020-09-22
    Bianca Haas; Marcus Haward; Jeffrey McGee; Aysha Fleming

    In 2018, the international community began formal intergovernmental negotiations over a new legally binding instrument for the protection of marine biodiversity of areas beyond national jurisdiction. Protecting marine biodiversity is imperative for a sustainable future, and all the different organizations and agreements will have to work together to achieve this common goal. One of the first key principles

  • Subpolar gyre and temperature drive boreal fish abundance in Greenland waters
    Fish Fish. (IF 6.785) Pub Date : 2020-09-22
    Søren Post; Karl Michael Werner; Ismael Núñez‐Riboni; Léon Chafik; Hjálmar Hátún; Teunis Jansen

    As result of ocean warming, marine boreal species have shifted their distribution poleward, with increases in abundance at higher latitudes, and declines in abundance at lower latitudes. A key to predict future changes in fish communities is to understand how fish stocks respond to climate variability. Scattered field observations in the first half of the 20th century suggested that boreal fish may

  • When large marine predators feed on fisheries catches: Global patterns of the depredation conflict and directions for coexistence
    Fish Fish. (IF 6.785) Pub Date : 2020-09-19
    Paul Tixier; Mary‐Anne Lea; Mark A. Hindell; Dirk Welsford; Camille Mazé; Sophie Gourguet; John P. Y. Arnould

    The sustainable mitigation of human–wildlife conflicts has become a major societal and environmental challenge globally. Among these conflicts, large marine predators feeding on fisheries catches, a behaviour termed “depredation,” has emerged concomitantly with the expansion of the world’s fisheries. Depredation poses threats to both the socio‐economic viability of fisheries and species conservation

  • Where do you think you’re going? Accounting for ontogenetic and climate‐induced movement in spatially stratified integrated population assessment models
    Fish Fish. (IF 6.785) Pub Date : 2020-09-19
    Daniel R. Goethel; Katelyn M. Bosley; Brian J. Langseth; Jonathan J. Deroba; Aaron M. Berger; Dana H. Hanselman; Amy M. Schueller

    Understanding spatial population structure and biocomplexity is critical for determining a species’ resilience to environmental and anthropogenic perturbations. However, integrated population models (IPMs) used to develop management advice for harvested populations have been slow to incorporate spatial dynamics. Therefore, limited research has been devoted to understanding the reliability of movement

  • Buried in the sand: Uncovering the ecological roles and importance of rays
    Fish Fish. (IF 6.785) Pub Date : 2020-09-19
    Kathryn I. Flowers; Michael R. Heithaus; Yannis P. Papastamatiou

    Rays (superorder Batoidea) are the most diverse group of elasmobranchs, and many are threatened with extinction. However, there remain areas where research on the ecology of this group is lacking, from trophic interactions to their importance to ecosystem structure and function. Such ecological insights are critical for predicting the potential consequences of changes in their population sizes. Our

  • Historical anecdotes of fishing pressure: Misconstrued “sea serpent” sightings provide evidence for antecedent entanglement of marine biota in the British Isles
    Fish Fish. (IF 6.785) Pub Date : 2020-09-18
    Robert L. France

    Marine scholars have come to realize the importance of including historical perspectives as part of comprehensive assessments made of the social–ecological systems involved in sustainable fisheries management. In particular, there is increasing recognition of the value in examining information contained within historical anecdotes as a prelude to implementing current conservation actions as well as

  • Are domesticated freshwater fish an underappreciated culprit of ecosystem change?
    Fish Fish. (IF 6.785) Pub Date : 2020-09-18
    Julien Cucherousset; Julian D. Olden

    In addition to accidental aquaculture escapees, an increasing number of freshwater fish expressing different domestication levels are voluntarily released into the wild primarily as stocking supplement for fisheries and for conservation programmes. Because domestication modifies individual traits and because subtle changes in intraspecific variability can impact ecological dynamics, we argue that these

  • Biomass limit reference points are sensitive to estimation method, time‐series length and stock development
    Fish Fish. (IF 6.785) Pub Date : 2020-09-15
    Mikael van Deurs; Mollie E. Brooks; Martin Lindegren; Ole Henriksen; Anna Rindorf

    Biomass limit reference points are widely used in fisheries management and define the biomass threshold (BT) below which stock productivity (i.e. recruitment) is likely to be impaired. Scientifically sound and transparent methods for estimating BTs are therefore needed together with ways of quantifying uncertainties. The main focus of the study was placed on two methods currently applied to several

  • A bird's‐eye view of reservoirs in the Mississippi Basin tips a need for large‐scale coordination
    Fish Fish. (IF 6.785) Pub Date : 2020-09-14
    Leandro E. Miranda; Giancarlo Coppola; Hunter R. Hatcher; Matthew B. Jargowsky; Zachary S. Moran; Michael C. Rhodes

    Reservoirs are mostly managed at local scales as spatially independent units. A basin‐scale perspective may increase awareness at a broader scope and generate insight not evident at local scales. We examined the array of reservoir attributes and fisheries in the Mississippi Basin to identify management opportunities. The basin is the third largest in the world and includes over 1,700 reservoirs >100 ha

  • Quantifying shortfalls in the knowledge on Neotropical Auchenipteridae fishes
    Fish Fish. (IF 6.785) Pub Date : 2020-09-14
    Tiago Magalhães da Silva Freitas; Juliana Stropp; Bárbara Borges Calegari; Joaquín Calatayud; Paulo De Marco; Luciano Fogaça de Assis Montag; Joaquín Hortal

    The Neotropics harbour the greatest diversity of freshwater fish on Earth. Despite recent advances in characterizing the fish fauna, the total number of species, distributional range, evolution and ecological traits remain uncertain. Thus, we quantify shortfalls in the knowledge of taxonomy (Linnean shortfall), geographic distribution (Wallacean shortfall), evolutionary relationships (Darwinian shortfall)

  • Trawl fishing impacts on the status of seabed fauna in diverse regions of the globe
    Fish Fish. (IF 6.785) Pub Date : 2020-09-14
    Tessa Mazor; C. Roland Pitcher; Wayne Rochester; Michel J. Kaiser; Jan G. Hiddink; Simon Jennings; Ricardo Amoroso; Robert A. McConnaughey; Adriaan D. Rijnsdorp; Ana M. Parma; Petri Suuronen; Jeremy Collie; Marija Sciberras; Lara Atkinson; Deon Durholtz; Jim R Ellis; Stefan G. Bolam; Michaela Schratzberger; Elena Couce; Jacqueline Eggleton; Clement Garcia; Paulus Kainge; Sarah Paulus; Johannes N. Kathena;

    Bottom trawl fishing is a controversial activity. It yields about a quarter of the world's wild seafood, but also has impacts on the marine environment. Recent advances have quantified and improved understanding of large‐scale impacts of trawling on the seabed. However, such information needs to be coupled with distributions of benthic invertebrates (benthos) to assess whether these populations are

  • The Sawshark Redemption: Current knowledge and future directions for sawsharks (Pristiophoridae)
    Fish Fish. (IF 6.785) Pub Date : 2020-09-14
    Ryan J. Nevatte; Jane E. Williamson

    Sawsharks (Order: Pristiophoriformes, Family: Pristiophoridae) are a highly distinctive group of sharks, characterized by a tapering saw‐like rostrum with a pair of elongate barbels on the ventral surface. Their unusual characteristics should attract attention; however, very few studies have been dedicated to sawsharks. As a result, our understanding of their biology and ecology is limited. However

  • Optimizing video sampling for juvenile fish surveys: Using deep learning and evaluation of assumptions to produce critical fisheries parameters
    Fish Fish. (IF 6.785) Pub Date : 2020-09-10
    Marcus Sheaves; Michael Bradley; Cesar Herrera; Carlo Mattone; Caitlin Lennard; Janine Sheaves; Dmitry A. Konovalov

    The limitations imposed by traditional sampling methods have restricted the acquisition of data on key fisheries parameters. This is particularly the case for juveniles because most traditional gear explicitly avoids the capture of juveniles, and the juveniles of many species use habitats in which traditional gear is ineffective. The increasing availability and sophistication of Remote Underwater Video

  • Meta‐analysis of genetic parameters of production traits in cultured shrimp species
    Fish Fish. (IF 6.785) Pub Date : 2020-09-07
    Md. Mehedi Hasan; Rachel L. Tulloch; Peter C. Thomson; Herman W. Raadsma; Mehar S. Khatkar

    Genetic parameters of growth, reproductive efficiency and survival are important for designing successful genetic improvement programmes. In this study, a database was assembled and a meta‐analysis was conducted using 87 peer‐reviewed published studies on genetic parameters of 63 economically important traits reported across nine major farmed shrimp species. A total of 641 estimates of heritability

  • Climate‐induced nonlinearity in pelagic communities and non‐stationary relationships with physical drivers in the Kuroshio ecosystem
    Fish Fish. (IF 6.785) Pub Date : 2020-09-07
    Shuyang Ma; Yongjun Tian; Caihong Fu; Haiqing Yu; Jianchao Li; Yang Liu; Jiahua Cheng; Rong Wan; Yoshiro Watanabe

    Climate‐induced nonlinearity in biological variability and non‐stationary relationships with physical drivers are crucial to understand responses of marine organisms to climate variability. These phenomena have raised concerns in the northeastern North Pacific, but are out of the spotlight in the northwestern North Pacific in spite of potential implications for this productive system under increased

  • The unexploited potential of listening to deep‐sea fish
    Fish Fish. (IF 6.785) Pub Date : 2020-09-06
    Marta Bolgan; Eric Parmentier

    Covering more than 65% of the Earth surface, the deep sea (200–11,000 m depth) is the largest biotope on Earth, yet it remains largely unexplored. The biology of its communities is still poorly understood, and many species are still to be discovered. Despite this, deep‐sea fish are already threatened by our exploitation and their conservation is hampered by a severe scarcity of data. Studies focusing

  • Regulation of fish stocks without stock–recruitment relationships: The case of small pelagic fish
    Fish Fish. (IF 6.785) Pub Date : 2020-09-02
    T. Mariella Canales, Gustav W. Delius, Richard Law

    Small pelagic fish lack clear stock–recruitment relationships. This is a problem because such relationships are taken to be the primary descriptors of density dependence, responsible for regulating population density. In this paper, we show that small pelagic fish species, anchovy (Engraulis spp., Engraulidae), living in a stochastic environment, can be strongly regulated without a stock–recruitment

  • Comparing biodiversity databases: Greater Caribbean reef fishes as a case study
    Fish Fish. (IF 6.785) Pub Date : 2020-08-27
    Iliana Chollett; D. Ross Robertson

    There is a widespread need for reliable biodiversity databases for science and conservation. Among the many public databases available, we lack guidance as to how their data quality varies. Here, we compare species distribution data for a well known regional reef fish fauna extracted from five global online databases that supply “as is” data (GBIF, OBIS, IDigBio, FishNet2 and FishBase) and our own

  • A meta‐analysis of gas bubble trauma in fish
    Fish Fish. (IF 6.785) Pub Date : 2020-08-25
    Naomi K. Pleizier; Dirk Algera; Steven J. Cooke; Colin J. Brauner

    Total dissolved gas (TDG) supersaturation generated by dams is known to cause gas bubble trauma (GBT) and mortality in fish, but despite many studies on the topic, there have been no recent attempts to systematically review the data. We conducted a systematic review and meta‐analysis to determine how different levels of TDG supersaturation in laboratory experiments impact mortality and GBT outcomes

  • Bycatch Beknown: Methodology for jurisdictional reporting of fisheries discards – Using Australia as a case study
    Fish Fish. (IF 6.785) Pub Date : 2020-08-11
    Steven J. Kennelly

    Bycatch remains one of the most important issues in the world's fisheries so its estimation and reporting have been highlighted in many international, regional and jurisdictional guidelines and policies. This paper describes a simple methodology to estimate jurisdictional discards, using Australia's first national bycatch report as a case study. The methodology involves: (a) identifying annual landings

  • The consequences of size‐selective fishing mortality for larval production and sustainable yield in species with obligate male care
    Fish Fish. (IF 6.785) Pub Date : 2020-08-01
    Holly K. Kindsvater; Kim Tallaksen Halvorsen; Tonje Knutsen Sørdalen; Suzanne H. Alonzo

    Size‐based harvest limits or gear regulations are often used to manage fishing mortality and ensure the spawning biomass of females is sufficiently protected. Yet, management interactions with species’ mating systems that affect fishery sustainability and yield are rarely considered. For species with obligate male care, it is possible that size‐specific harvest of males will decrease larval production

  • Latitudinal patterns in trophic structure of temperate reef‐associated fishes and predicted consequences of climate change
    Fish Fish. (IF 6.785) Pub Date : 2020-07-21
    Matthew M. Holland; James A. Smith; Jason D. Everett; Adriana Vergés; Iain M. Suthers

    Some dramatic consequences of climate change are caused by shifting species interactions and associated changes to trophic structure and energy flow. In coastal ecosystems, the relative abundance of feeding guilds indicates dominant energy sources sustaining food webs. Here, we use a space‐for‐time substitution to investigate potential climate change impacts on trophic structure and energy flow in

  • A synthesis of (non‐)compliance theories with applications to small‐scale fisheries research and practice
    Fish Fish. (IF 6.785) Pub Date : 2020-07-19
    Rodrigo Oyanedel; Stefan Gelcich; E. J. Milner‐Gulland

    Non‐compliance in fisheries is a persistent challenge for the conservation and sustainable management of the oceans and has particularly acute impacts in small‐scale fisheries contexts. Small‐scale fisheries often suffer from chronic overexploitation, poor management, lack of enforcement and non‐compliance, but small‐scale fishers are highly dependent on the ocean as a source of employment and food

  • Reproduction of Atlantic bluefin tuna
    Fish Fish. (IF 6.785) Pub Date : 2020-07-19
    Antonio Medina

    The reproductive success of fish populations depends on their reproductive potential and offspring survival to maturity. The reproductive potential affects recruitment and hence populations’ resilience and productivity. Extensive research carried out throughout the current century has improved our understanding of the reproductive biology of the Atlantic bluefin tuna (ABFT), Thunnus thynnus . Yet,

  • Frontiers in modelling social–ecological dynamics of recreational fisheries: A review and synthesis
    Fish Fish. (IF 6.785) Pub Date : 2020-07-20
    Christopher T. Solomon, Colin J. Dassow, Carolyn M. Iwicki, Olaf P. Jensen, Stuart E. Jones, Greg G. Sass, Ashley Trudeau, Brett T. van Poorten, Dane Whittaker

    Recreational fisheries are culturally and economically important around the world. Recent research emphasizes that understanding and managing these systems requires a social–ecological perspective. We systematically reviewed quantitative social–ecological models of marine and freshwater recreational fisheries to summarize their conceptualization of social, ecological, and social–ecological dynamics

  • Assessing the sublethal impacts of anthropogenic stressors on fish: An energy‐budget approach
    Fish Fish. (IF 6.785) Pub Date : 2020-07-19
    Joseph W. Watson, Kieran Hyder, Robin Boyd, Robert Thorpe, Marc Simon Weltersbach, Keno Ferter, Steven J. Cooke, Shovonlal Roy, Richard M. Sibly

    Fish are increasingly exposed to anthropogenic stressors from human developments and activities such as agriculture, urbanization, pollution and fishing. Lethal impacts of these stressors have been studied but the potential sublethal impacts, such as behavioural changes or reduced growth and reproduction, have often been overlooked. Unlike mortality, sublethal impacts are broad and difficult to quantify

  • Predicting egg size across temperatures in marine teleost fishes
    Fish Fish. (IF 6.785) Pub Date : 2020-07-13
    David M. Anderson, James F. Gillooly

    Marine teleost fish species in colder environments generally produce larger eggs than those in warmer environments. This pattern is thought to reflect changes in the optimal strategy of allocation to offspring size and number across temperatures, yet quantitative assessments of this hypothesis are lacking. Here, we model optimal offspring size across temperatures in marine teleost fishes based on the

  • Operating model design in tuna Regional Fishery Management Organizations: Current practice, issues and implications
    Fish Fish. (IF 6.785) Pub Date : 2020-07-01
    Rishi Sharma, Polina Levontin, Toshihide Kitakado, Laurence Kell, Iago Mosqueira, Ai Kimoto, Rob Scott, Carolina Minte‐Vera, Paul De Bruyn, Yimin Ye, Jana Kleineberg, Jo Lindsay Walton, Shana Miller, Arni Magnusson

    The five Regional Fishery Management Organizations dedicated to tunas (tRFMOs) are all either developing or implementing Management Strategy Evaluations (MSEs) to provide advice for the stocks under their competencies. Providing a comparative overview will help tRFMOs to learn from one another and to collaborate on common solutions and may also help to more clearly define the challenges of building

  • Narco‐Fish: Global fisheries and drug trafficking
    Fish Fish. (IF 6.785) Pub Date : 2020-06-26
    Dyhia Belhabib, Philippe Le Billon, David J. Wrathall

    This study analyses drug trafficking associated with fisheries around the globe. Records of vessel interdiction carried out between 2010 and 2017 suggest that the global trade of illicit drugs relies increasingly on fishing vessels. Fishery‐based trafficking is growing. A key obstacle to understanding the scope of this problem is the limited data on activities that are intentionally obscured, such

  • Management of transboundary and straddling fish stocks in the Northeast Atlantic in view of climate‐induced shifts in spatial distribution
    Fish Fish. (IF 6.785) Pub Date : 2020-06-22
    Peter Gullestad, Svein Sundby, Olav Sigurd Kjesbu

    The introduction of 200 n.m. exclusive economic zones (EEZs) in the late 1970s required increased collaboration among neighbouring coastal states to manage transboundary and straddling fish stocks. The established agreements ranged from bilateral to multilateral, including high‐seas components, as appropriate. However, the 1982 United Nations Convention on the Law of the Sea does not specify how quotas

  • Food web feedbacks drive the response of benthic macrofauna to bottom trawling
    Fish Fish. (IF 6.785) Pub Date : 2020-06-21
    Karen E. van de Wolfshaar, P. Daniël van Denderen, Tim Schellekens, Tobias van Kooten

    Bottom trawl fisheries have significant effects on benthic habitats and communities, and these effects have been studied intensively in the last decades. Most of these studies have related the changes in benthic community composition to direct effect of trawl gears on benthos, through imposed mortality. This line of argumentation ignores the fact that benthic organisms themselves form a complex food

  • Multispecies functional responses reveal reduced predation at high prey densities and varied responses among and within trophic groups
    Fish Fish. (IF 6.785) Pub Date : 2020-06-21
    Brian E. Smith, Laurel A. Smith

    Understanding predator–prey interactions is critical for marine fisheries and ecosystem management as they shape community structure, regulate prey populations and present energy demands critical for community sustainability. We examined multispecies functional responses of 17 fishes (48 predator‐size combinations) spanning piscivores, planktivores and benthivores for the northeast US continental shelf

  • Behavioural diversity in fishing—Towards a next generation of fishery models
    Fish Fish. (IF 6.785) Pub Date : 2020-06-20
    Nanda Wijermans, Wiebren J. Boonstra, Kirill Orach, Jonas Hentati‐Sundberg, Maja Schlüter

    Despite improved knowledge and stricter regulations, numerous fish stocks remain overharvested. Previous research has shown that fisheries management may fail when the models and assessments used to inform management are based on unrealistic assumptions regarding fishers' decision‐making and responses to policies. Improving the understanding of fisher behaviour requires addressing its diversity and

  • The consequences of paradigm change and poorly validated science: The example of the value of mangroves to fisheries
    Fish Fish. (IF 6.785) Pub Date : 2020-06-18
    Marcus Sheaves, Kátya Abrantes, Adam Barnett, Claudia Benham, Patricia Dale, Carlo Mattone, Alison Sheaves, Nathan Waltham, Michael Bradley

    Accuracy in representing, communicating and reporting science is critical to the translation of science into knowledge. Any lack of accuracy degrades the quality and reliability of consequent decisions. One common cause of inaccuracy is the use of superseded paradigmatic concepts with a lack of careful validation. This leads to evidentiary dissonance (an apparent abundance of evidence with little basis

  • Mesohabitat modelling in fish ecology: A global synthesis
    Fish Fish. (IF 6.785) Pub Date : 2020-06-15
    Bernhard Wegscheider, Tommi Linnansaari, R. Allen Curry

    Modelling the linkage between physical habitat and aquatic organisms on multiple spatial scales has become an important tool in the management of rivers. The mesoscale (100–102 m) represents an intermediate resolution in modelling that bridges the gap between available resources and conservation efforts for riverine species. However, existing mesohabitat classification schemes for lotic systems vary

  • Assessing spillover from marine protected areas and its drivers: A meta‐analytical approach
    Fish Fish. (IF 6.785) Pub Date : 2020-06-14
    Manfredi Di Lorenzo, Paolo Guidetti, Antonio Di Franco, Antonio Calò, Joachim Claudet

    Overfishing may seriously impact fish populations and ecosystems. Marine protected areas (MPAs) are key tools for biodiversity conservation and fisheries management, yet the fisheries benefits remain debateable. Many MPAs include a fully protected area (FPA), restricting all activities, within a partially protected area (PPA) where potentially sustainable activities are permitted. An effective tool

  • Atlantic cod recovery from the Allee effect zone: contrasting ecological and evolutionary rescue
    Fish Fish. (IF 6.785) Pub Date : 2020-06-13
    Anna Kuparinen, Silva Uusi‐Heikkilä

    The ability of a population to recover from disturbances is fundamental for its persistence. Impaired population recovery might be associated with a demographic Allee effect. Immigration from adjacent populations could accelerate the recovery not only by promoting population growth beyond the Allee effect threshold but also by bringing in advantageous genotypes. We explore the nature and role of ecological

  • The future looks like the past: Introgression of domesticated Atlantic salmon escapees in a risk assessment framework
    Fish Fish. (IF 6.785) Pub Date : 2020-06-03
    Kevin A. Glover; Vidar Wennevik; Kjetil Hindar; Øystein Skaala; Peder Fiske; Monica F. Solberg; Ola H. Diserud; Terje Svåsand; Sten Karlsson; Lasse B. Andersen; Ellen S. Grefsrud

    Escapes of domesticated fish from aquaculture, followed by interbreeding with wild conspecifics, represent a threat to the genetic integrity and evolutionary trajectory of natural populations. Approximately fifty years of Atlantic salmon production has left an unprecedented legacy of widespread introgression of domesticated escapees in wild Norwegian populations. A major question, however, is whether

  • Are media messages to consume more under‐utilized seafood species reliable?
    Fish Fish. (IF 6.785) Pub Date : 2020-05-19
    Anna K Farmery, Ingrid E van Putten, Michelle Phillipov, Alistair McIlgorm

    Consumers are being encouraged to choose sustainable seafood. In particular, eating less‐popular, under‐utilized species is promoted as a more sustainable seafood choice. This message is advocated in the media by a range of different organizations and individuals; however, evidence of greater seafood sustainability as a result of these messages is lacking. We examine current media messaging around

  • Collateral damage? Small‐scale fisheries in the global fight against IUU fishing
    Fish Fish. (IF 6.785) Pub Date : 2020-04-22
    Andrew M. Song, Joeri Scholtens, Kate Barclay, Simon R. Bush, Michael Fabinyi, Dedi S. Adhuri, Milton Haughton

    Concern over illegal, unreported and unregulated (IUU) fishing has led to a number of policy, trade and surveillance measures. While much attention has been given to the impact of IUU regulation on industrial fleets, recognition of the distinct impacts on small‐scale fisheries is conspicuously lacking from the policy and research debate. In this paper, we outline three ways in which the application

  • Shifting trophic architecture of marine fisheries in New Zealand: Implications for guiding effective ecosystem‐based management
    Fish Fish. (IF 6.785) Pub Date : 2020-04-22
    Leonardo Maia Durante, Michael Peter Beentjes, Stephen Richard Wing

    New Zealand has led the world in restoration of marine fisheries since the introduction of the Quota Management System in 1986, but challenges remain in minimizing the ecosystem‐level effects of industrialized fishing. We analysed existing long‐term fisheries data sets from 1931 to 2015 in New Zealand to resolve trends in important ecological properties of major exploited fish communities. Increases

  • Something old, something new: Historical perspectives provide lessons for blue growth agendas
    Fish Fish. (IF 6.785) Pub Date : 2020-04-06
    Bryony A. Caswell, Emily S. Klein, Heidi K. Alleway, Johnathan E. Ball, Julián Botero, Massimiliano Cardinale, Margit Eero, Georg H. Engelhard, Tomaso Fortibuoni, Ana‐Judith Giraldo, Jonas Hentati‐Sundberg, Peter Jones, John N. Kittinger, Gesche Krause, Dmitry L. Lajus, Julia Lajus, Sally C.Y. Lau, Ann‐Katrien Lescrauwaet, Brian R. MacKenzie, Matthew McKenzie, Henn Ojaveer, John M. Pandolfi, Saša Raicevich

    The concept of “blue growth,” which aims to promote the growth of ocean economies while holistically managing marine socioecological systems, is emerging within national and international marine policy. The concept is often promoted as being novel; however, we show that historical analogies exist that can provide insights for contemporary planning and implementation of blue growth. Using a case‐study

  • Catching the future: Applying Bayesian belief networks to exploratory scenario storylines to assess long‐term changes in Baltic herring (Clupea harengus membras, Clupeidae) and salmon (Salmo salar, Salmonidae) fisheries
    Fish Fish. (IF 6.785) Pub Date : 2020-03-30
    Mia Pihlajamäki, Inari Helle, Päivi Haapasaari, Simo Sarkki, Sakari Kuikka, Annukka Lehikoinen

    Fisheries management aims to ensure that the fishing activities are environmentally sustainable in the long term, while also achieving the economic, social and food security related management objectives. To facilitate this, both the ecological and human dimensions of sustainability need to be included in fisheries assessment. In addition, assessing long‐term sustainability calls for taking into account

  • Identifying spawner biomass per‐recruit reference points from life‐history parameters
    Fish Fish. (IF 6.785) Pub Date : 2020-03-24
    Shijie Zhou, André E. Punt, Yeming Lei, Roy Aijun Deng, Simon D. Hoyle

    Analysis of spawning biomass per‐recruit has been widely adopted in fisheries management. Fishing mortality expressed as spawning potential ratio (SPR) often requires a reference point as an appropriate proxy for the fishing mortality that supports a maximum sustainable yield—FMSY. To date, a single generic level between F30% and F40% is routinely used. Using records from stock assessments in the RAM

  • Tuna trade‐offs: Balancing profit and social benefits in one of the world’s largest fisheries
    Fish Fish. (IF 6.785) Pub Date : 2020-03-23
    Ciara Willis, Megan Bailey

    The western and central Pacific Ocean (WCPO) tuna fishery is one of the world's largest in terms of both catch volume and value, providing over half of global tuna catch with a landed value of US $5.84 billion in 2017. Fishing is conducted by both large‐ and small‐scale fleets, with fisheries subsidies disproportionately benefiting the former. The primary objective of this study was to determine the

  • The role of sand lances (Ammodytes sp.) in the Northwest Atlantic Ecosystem: A synthesis of current knowledge with implications for conservation and management
    Fish Fish. (IF 6.785) Pub Date : 2020-03-20
    Michelle D. Staudinger, Holly Goyert, Justin J. Suca, Kaycee Coleman, Linda Welch, Joel K. Llopiz, David Wiley, Irit Altman, Andew Applegate, Peter Auster, Hannes Baumann, Julia Beaty, Deirdre Boelke, Les Kaufman, Pam Loring, Jerry Moxley, Suzanne Paton, Kevin Powers, David Richardson, Jooke Robbins, Jeffrey Runge, Brian Smith, Caleb Spiegel, Halley Steinmetz

    The American sand lance (Ammodytes americanus, Ammodytidae) and the Northern sand lance (A. dubius, Ammodytidae) are small forage fishes that play an important functional role in the Northwest Atlantic Ocean (NWA). The NWA is a highly dynamic ecosystem currently facing increased risks from climate change, fishing and energy development. We need a better understanding of the biology, population dynamics

  • Sidney J. Holt, eminent fisheries scientist and conservationist (28 February 1926–22 December 2019)
    Fish Fish. (IF 6.785) Pub Date : 2020-03-17
    Georg H. Engelhard; John K. Pinnegar

    We are saddened to have learned that Sidney J. Holt – one of the most influential fisheries scientists and marine conservationists of all time – has passed away at his home in Paciano, Italy, on 22 December 2019, at the respectable age of 93. To anyone working in fisheries science, Sidney Holt is probably best known for the book that he and his great collaborator, Ray Beverton, jointly wrote during

  • Spatio‐temporal analyses of marine predator diets from data‐rich and data‐limited systems
    Fish Fish. (IF 6.785) Pub Date : 2020-03-15
    Arnaud Grüss, James T. Thorson, Gemma Carroll, Elizabeth L. Ng, Kirstin K. Holsman, Kerim Aydin, Stan Kotwicki, Hem N. Morzaria‐Luna, Cameron H. Ainsworth, Kevin A. Thompson

    Accounting for variation in prey mortality and predator metabolic potential arising from spatial variation in consumption is an important task in ecology and resource management. However, there is no statistical method for processing stomach content data that accounts for fine‐scale spatio‐temporal structure while expanding individual stomach samples to population‐level estimates of predation. Therefore

  • Macroalgal meadow habitats support fish and fisheries in diverse tropical seascapes
    Fish Fish. (IF 6.785) Pub Date : 2020-03-12
    Christopher J. Fulton, Charlotte Berkström, Shaun K. Wilson, Rene A. Abesamis, Michael Bradley, Carolina Åkerlund, Luke T. Barrett, Abner A. Bucol, Dinorah H. Chacin, Karen M. Chong‐Seng, Darren J. Coker, Martial Depczynski, Linda Eggertsen, Maria Eggertsen, David Ellis, Richard D. Evans, Nicholas A. J. Graham, Andrew S. Hoey, Thomas H. Holmes, Michel Kulbicki, Priscilla T. Y. Leung, Paul K. S. Lam

    Canopy‐forming macroalgae can construct extensive meadow habitats in tropical seascapes occupied by fishes that span a diversity of taxa, life‐history stages and ecological roles. Our synthesis assessed whether these tropical macroalgal habitats have unique fish assemblages, provide fish nurseries and support local fisheries. We also applied a meta‐analysis of independent surveys across 23 tropical

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