Long costate protocobitis (Protocobitis longicostatus) is a ray-finned fish of the family Cobitidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 5.9 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 - 7; Anal soft rays: 5 - 6. This species is distinguished from its congeners by the following set of characters: long costate; whole body covered by scales except head; 12 branched caudal fins rays; lateral head length 18.5-22.5% of SL; deepest body depth 8.5-13.2% of SL; head width 6.2-6.5% of SL, head height 45.7-49.5% of lateral head length, caudal peduncle height 37.8-58.5% of length .: elongated; Cross section: oval.
Behavioural data for Long costate protocobitis is currently being reviewed.
Freshwater; demersal. Subtropical
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