Wetzone Butter Catfish

Ompok argestes differs from its Indian and Sri Lankan congeners by the combination ofthe following characters: body color pattern mottled; predorsal profile uniformly convex; maxillary barbels reach or extend slightly beyond the base of the dorsal fin; eye diameter 14.2-17.1% head length; body depth at anus 19.8-22.3% standard length (SL); head width 14.3-16.8% SL; caudal peduncle depth 5.6-6.5% SL; and vertebrae 48-52 (Ref. 116164).

Dorsal soft rays (total): 4; Analsoft rays: 56 - 63; Vertebrae: 48 - 52

Found among submerged roots and marginal vegetation in slow-flowing, shaded regions of rivers and streams with a substratum of mud or leaf debris (Ref. 116164).