Brahmaputra Suckerthroat - Pseudecheneis sulcata (McClelland, 1842)
by Julian Dignall, uploaded June 22, 2012
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|Cat-eLog Data Sheet|
|Scientific Name||Pseudecheneis sulcata (McClelland, 1842)|
|Common Name(s)||Brahmaputra Suckerthroat|
|Type Locality||Kasyah [Khasi] Hills, Meghalaya, India.|
|Pronunciation||Sew de che niss - sul caa taa|
|Size||190mm (7.5") SL. Find near, nearer or same sized spp.|
|Identification||Fishes of the genus Pseudecheneis can be differentiated from other Glyptosternine fish
in having a thoracic adhesive apparatus consisting of a series of transverse ridges (laminae)
separated by grooves (sulcae) (de Pinna, 1996; Roberts, 1998).
Pseudecheneis sulcata can be distinguished from congeners in having a unique combination of the lack of a prominent bony spur on the anterodorsal surface of the first dorsal-fin pterygiophore, presence of a first dorsal-fin element, bifid neural spines on the complex vertebra, the neural spines of the last 2–3 preanal and first 6–7 postanal vertebrae gradually increasing in height, separate pelvic fins, a less convex snout when viewed laterally, presence of pale spots on the body, 36–39 vertebrae, 12–14 transverse laminae on the thoracic adhesive apparatus, pelvic-fin length 21.2–28.7% SL, pectoral-fin length 121.6–156.3 % HL, length of adipose-fin base 17.8–22.7% SL, length of caudal peduncle 25.0–28.3% SL, depth of caudal peduncle 4.0–5.2% SL, and eye diameter 8.8–10.6% HL.
|Distribution||Known from the Brahmaputra River drainage.
Indian waters (click on these areas to find other species found there)
Nepal Waters (click on these areas to find other species found there)
Bangladesh Waters (click on these areas to find other species found there) (Click the map-icon to show/hide map of species distribution)
|Other Parameters||Found in fast-flowing hill streams. Prefers deep riffles and runs over gravel, cobble substrates.|
|References||J. Nat. Hist. Calcutta v.2 (no. 8) - pp587 - Pl. 6 (figs. 1-3) The identity of Pseudecheneis sulcata (McClelland, 1842), with descriptions of two new species of rheophilic catfish (Teleostei: Sisoridae) from Nepal and China Heok hee Ng|
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|Last Update||2012 Jun 22 09:08 (species record created: 2004 Oct 27 00:00)|
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