Occurs in small, rapid and boulder-strewn mountain streams with rocky bottoms with two other Sicydiinae, Sicyopterus lagocephalus (Pallas, 1770) and Stiphodon semoni Weber, 1895 .
Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 10. Sicyopterus squamosissimus is distinguished by having two lateral clefts on crenulated upper lip, a second dorsal fin with one spine and 10 segmented rays, filamentous second and third rays of the first dorsal fin, 61-66 lateral scales, 21-26 predorsal scales and 17-22 transverse back scales, and a reddish caudal fin in male with a slight blue line on the upper and lower parts .: fusiform / normal.
Behavioural data for Sicyopterus Squamosissimus is currently being reviewed.
Freshwater; demersal. Tropical
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