Rectoris longibarbus Zhu, Zhang & Lan, a new record species, from Vietnam
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Abstract
A species of the genus Rectoris Lin, 1935 newly recorded from Northeast of Vietnam is Rectoris longibarbus. This species were collected in Bang Giang river, territory of Cao Bang province and Ky Cung river, territory of Lang Son province. The genus Rectoris Lin comprises 5 species worldwide, mainly distributed in Asia. In Vietnam, up to date there were 2 species belonging to the genus Rectoris recorded. Based on the samples is collected of Rectoris, as well as domestics and foreign publiccations, we found one species, Rectoris longibarbus Zhu, Zhang & Lan as a new record for freshwater fish fauna of Vietnam. The newly recorded species has the morphological differences with the already known species of Vietnam, thus the total number of species of this genus is three. In this paper some detailed description of morphological characteristics of Rectoris longibarbus is gived. A key to species of the genus inVietnam is also provided.
References
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