Pimelodus carcio, originally described in 1822 by Francis Hamilton, has long been treated as a junior synonym of either Mystus tengara or M. vittatus. In this paper we revalidate and redescribe the species and diagnose it from other striped Mystus by the following combination of characters: small adult size, maturing at 44.0 mm standard length; adipose-fin base shorter than or equal to dorsal-fin base; pelvic fin reaching anal-fin origin; pectoral girdle with coracoid shield exposed ventro-laterally below pectoral fin; eyes rounded and large, dorsally orientated on head; vomerine tooth-patch interrupted at midline. The species is distributed in the Ganga-Brahmaputra drainage of northeast India and Bangladesh.
Glyptothorax chimtuipuiensis, a new species of sisorid catfish, is described from the Koladyne basin of Mizoram State, India. It is characterized by having a short and stout body with granulated skin; the dorsal profile anterior to the adipose fin strongly arched; a short and smooth dorsal spine, its length 5.1–8.9% SL; a pectoral-fin length of 16.8–21.9% SL, with the ventral surface of its first simple ray plaited; an adipose-fin base length 22.1–27.3% SL; and a chevron-shaped thoracic adhesive apparatus, the middle of its base concave, opening caudally with a depression at its posterior end, followed by a small fold of skin.
article in any medium for non-profit purposes, reproduction and distribution by providing adequate credit to the authors and the source of publication.Author Details: N. ANGANTHOIBI is a Project Fellow under a project funded by the National Bureau of Fish Genetic resources, Lucknow. She is working on the inventory of the catfishes of North East India and their phylogenetic analysis. She is undergoing PhD on a relevant topic in the Department of Life Sciences, Manipur University. W. VISHWANATH is a Professor in the Department of Life Sciences, Manipur University. His field of specialization is fish and fisheries. He is presently engaged in taxonomy and systematics of freshwater fishes of northeastern India.Author Contribution: The sudy: NA -survey, collection, morphometric and anatomic study of catfishes of northeastern India and their phylogenetics; WV -supervision of taxonomy and phylogeny of freshwater fishes of northeastern India. Current paper: NA -detailed examination of the erethistid catfishes of northeastern India and comparison with specimens in ZSI, Kolkata and data of the related species of neighbouring countries, establish identity of new species; WV -supervision in establishing new species and discuss taxonomic status.
Blyth (1860) described the genus Glyptothorax, for which Bleeker (1862-63) designated Glyptosternon striatus McClelland as the type species. Glyptothorax is the most species-rich and widely distributed genus of the family Sisoridae. The genus has as many as 81 valid species (
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