Blacklined zipper loach (Paracanthocobitis nigrolineata) is a ray-finned fish. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4.2 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms.
i>Paracanthocobitis nigrolineata can be diagnosed from other congeners by combination of the following characters: incomplete lateral line ending near insertion of dorsal fin; dorsal fin with 9½-10½ branched rays; presence of axillary pelvic lobe; side of body with black stripe ending near caudal fin, usually overlying black lateral blotches extending ventrally from lateral stripe; presence of circular black spot on upper margin of caudal-fin base; black pigment extending from lateral stripe onto pectoral-fin base; absence of marmorated pattern anterior to dorsal-fin origin; black dorsal saddles short, not connecting to lateral blotches; and upper caudal fin with 8 branched .: elongated.
Behavioural data for Blacklined zipper loach is currently being reviewed.
Freshwater; demersal. Tropical
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