Pseudomystus Nuchalis (Pseudomystus nuchalis) is a ray-finned fish of the family Bagridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 9.4 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal soft rays (total): 6; Anal soft rays: 9 - 11. This species is distinguished from its congeners by the following set of characters: colour pattern of pale yellow patches on the body; presence of nuchal concavity; snout 55-63% HL; adipose fin more anteriorly positioned relative to the anal fin (adipose-fin origin at vertical through anal-fin origin); presence of pale yellow patches on the body never coalescing to form irregular bands; absence of a supracleithral process; adipose fin with a base 13.2-19.0% SL, whose posterior insertion is separate from the dorsal procurrent caudalfin rays; nuchal plate with straight or slightly convex margins; head 22.1-24.5% SL; and adipose-fin base 13.2-19.0% SL .: elongated; Cross section: oval.
Behavioural data for Pseudomystus Nuchalis is currently being reviewed.
Freshwater; demersal. Tropical
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