Found among submerged roots and marginal vegetation in slow-flowing, shaded regions of rivers and streams with a substratum of mud or leaf debris .
Dorsal soft rays (total): 4; Anal soft rays: 56 - 63; Vertebrae: 48 - 52. Ompok argestes differs from its Indian and Sri Lankan congeners by the combination of the 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 .: elongated.
Behavioural data for Wetzone butter catfish is currently being reviewed.
Freshwater; demersal. Tropical
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