一种新的 Ophichthus chennaiensis sp. nov.（鳗鲡目：Ophichthidae）物种来自印度东南海岸。

A new species Ophichthus chennaiensis sp. nov. (Anguilliformes: Ophichthidae) from the southeast coast of India.

机构信息

Marine Biology Regional Centre, Zoological Survey of India, Chennai-600028, Tamil Nadu, India..

出版信息

Zootaxa. 2020 Dec 15;4895(2):zootaxa.4895.2.8. doi: 10.11646/zootaxa.4895.2.8.

DOI:10.11646/zootaxa.4895.2.8

Abstract

A new species of snake eel, Ophichthus chennaiensis sp. nov. (Anguilliformes: Ophichthidae: Ophichthinae), is described on the basis of a specimen collected from dumped fish disposed of by bottom trawlers at Kasimedu fishing harbour, Chennai. Ophichthus chennaiensis sp. nov is distinguished from its congeners by having its dorsal-fin origin one pectoral-fin length behind the pectoral-fin tip, preanal length 2.4 in TL, biserial maxillary, uniserial mandibular teeth, biserial to uniserial vomerine teeth, and its vertebrae (predorsal 19, preanal 53, and total vertebrae 154).

摘要

一种新的蛇鳗，即来自钦奈 Kasimedu 渔港被拖网渔船丢弃的渔获物中的 Ophichthus chennaiensis sp. nov.（鳗鲡目：蛇鳗科：蛇鳗亚科），根据一个标本描述。Ophichthus chennaiensis sp. nov. 与它的近缘种的区别在于背鳍起点在胸鳍尖端后面 1 个胸鳍长度，肛前体长为 TL 的 2.4，上颌有双行齿，下颌有单行齿，犁骨齿有两行到单行。它的脊椎骨（前背椎 19 个，前肛椎 53 个，总脊椎骨 154 个）。