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A review of the Eviota zebrina complex, with descriptions of four new species (Teleostei, Gobiidae)
ZooKeys ( IF 1.3 ) Pub Date : 2021-08-27 , DOI: 10.3897/zookeys.1057.66675
Luke Tornabene 1 , David W Greenfield 2, 3 , Mark V Erdmann 4, 5
Affiliation  

The Eviota zebrina complex includes eight species of closely-related dwarfgobies, four of which are herein described as new. The complex is named for Eviota zebrina Lachner & Karnella, 1978, an Indian Ocean species with the holotype from the Seychelles Islands and also known from the Maldives, which was once thought to range into the Gulf of Aqaba and the Red Sea eastward to the Great Barrier Reef of Australia. Our analysis supports the recognition of four genetically distinct, geographically non-overlapping, species within what was previously called E. zebrina, with E. zebrina being restricted to the Indian Ocean, E. marerubrumsp. nov. described from the Red Sea, E. longirostrissp. nov. described from western New Guinea, and E. pseudozebrinasp. nov. described from Fiji. The caudal fin of all four of these species is crossed by oblique black bars in preservative, but these black bars are absent from the four other species included in the complex. Two of the other species within the complex, E. tetha and E. gunawanae are morphologically similar to each other in having the AITO cephalic-sensory pore positioned far forward and opening anteriorly. Eviota tetha is known from lagoonal environments in Cenderawasih Bay and Raja Ampat, West Papua, and E. gunawanae is known only from deeper reefs (35–60 m) from Fakfak Regency, West Papua. The final two species are E. cometa which is known from Fiji and Tonga and possesses red bars crossing the caudal fin (but lost in preservative) and a 9/8 dorsal/anal-fin formula, and E. oculineatasp. nov., which is described as new from New Guinea and the Solomon Islands, and possesses an 8/7 dorsal/anal-fin formula and lacks red caudal bars. Eviota oculineata has been confused with E. cometa in the past.

中文翻译:

对 Eviota zebrina 复合体的回顾,描述了四种新物种(Teleostei、Gobiidae)

Eviota zebrina 复合体包括八种密切相关的侏儒鱼,其中四种在本文中被描述为新的。该复合体以 1978 年的 Eviota zebrina Lachner & Karnella 命名,这是一种印度洋物种,具有来自塞舌尔群岛的正模标本,也来自马尔代夫,曾被认为分布于亚喀巴湾和红海以东到大帝澳大利亚大堡礁。我们的分析支持在以前称为 E. zebrina 的区域内识别出四种基因不同、地理上不重叠的物种,而 E. zebrina 仅限于印度洋 E. marerubrumsp。十一月 从红海描述,E. longirostrissp。十一月 来自新几内亚西部和 E.pseudozebrinasp。十一月 来自斐济的描述。所有这四个物种的尾鳍都被防腐剂中的斜黑条交叉,但这些黑条在复合体中包含的其他四个物种中不存在。复合体中的其他两个物种 E. tetha 和 E. gunawanae 在形态上彼此相似,因为 AITO 头部感觉孔位于远前方并在前方开口。Eviota tetha 已知来自西巴布亚 Cenderawasih 湾和 Raja Ampat 的泻湖环境,而 E. gunawanae 仅来自西巴布亚 Fakfak Regency 的更深的珊瑚礁(35-60 m)。最后两个物种是 E. cometa,它在斐济和汤加已知,具有穿过尾鳍的红色条带(但在防腐剂中丢失)和 9/8 背鳍/臀鳍配方,​​以及 E. oculineatasp。11 月,被描述为来自新几内亚和所罗门群岛的新产品,并且具有 8/7 背鳍/臀鳍公式,并且没有红色的尾鳍条。Eviota oculineata 过去曾与 E. cometa 混淆。
更新日期:2021-08-27
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