首页> 外文期刊>Belgian Journal of Zoology >Survey of the anguiliiform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera
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Survey of the anguiliiform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera

机译:对加蓬和刚果共和国Anguiliiform剑鱼科(Teleostei,Siluriformes)的调查,并描述了两个新物种和非洲梭鱼属的关键

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摘要

A survey of anguiliiform African clariids from the Lower Guinea indicated the existence of four species, of which two are new to science. Thirty morphometric features as well as several meristic and descriptive characters have been studied on 174 specimens. Channallabes ogooensis n. sp. is recognized by the combination of distinct serrations on the posterior edge of the pectoral spine, 84-97 vertebrae, 100-113 and 85-102 dorsal and anal fin rays, a pale spot on the skull roof between the anterior and posterior fontanel, absence of an epiotic, skull moderately reduced in size, sphenotic and pterotic showing plate-like outgrowths and the posterior border of mesethmoid indented, making the anterior part of the anterior fontanel situated within the mesethmoid. Channallabes teugelsi n. sp. is recognized by the combination of serrations only on the anterior edge of the pectoral spine, 70-82 vertebrae, 99-109 and 90-100 dorsal and anal fin rays and a clear, pale spot on the skull roof between the anterior and posterior fontanel. The three anguiliiform genera Channallabes, Gymnallabes and Clariallabes are diagnosed and two anguiliiform species are reassigned. A revised key to all African clariid genera is provided.
机译:一项对来自下几内亚的非洲人类龟甲的调查显示,存在四种,其中两种对科学是新的。在174个标本上研究了30种形态特征以及几个特征和描述性特征。猪鼻藻sp。可以通过胸椎后缘的不同锯齿,84-97椎骨,100-113和85-102背鳍和肛门鳍的结合,前font和后font之间的头骨顶上的淡斑来识别颅骨的一种流行病,颅骨大小适度缩小,蝶板和翼状showing肉呈板状长出,并有后肢凹陷的凹入,使得前font的前部位于该处。香奈儿香椿sp。仅在胸椎前缘,70-82椎骨,99-109和90-100背鳍和肛门鳍上有锯齿的组合以及在前和后font之间的颅骨顶上有一个清晰的,淡淡的斑点可以识别。诊断了三个鳗an属属的Channallabes,Gymnallabes和Clariallabes,并重新分配了两种鳗form属的物种。提供了对所有非洲族群的修订密钥。

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