Allomogurnda insularis Allen 2003

Distinguished from it closely related species Allomogurnda montana on the basis of the several morphometric and color pattern differences: caudal peduncle more slender, with depth ranging from12.2-13.2% of SL, average 12.5% (vs. 13.0-13.9%, average 13.35%); second dorsal fin base length 16.6-20.9% SL (vs. 19.1-22.2% of SL) and anal fin base length12.7-15.7% of SL (vs. 16.0-18.9% of SL); darker spotting on the body and fins ; distinct dark bands on the head (vs. indistinct orange bands) and a darkish upper pectoral fin base with a distinctive small white to yellow spot on the uppermost part; and melanophores on mouth floor (area directly under the free portion of the tongue) mainly confined to the anterior half of this region, with a large unpigmented area next to the tongue base (vs. liberally covered) (Ref. 77038).

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 9 - 10; Analspines: 1; Analsoft rays: 8 - 9

Occurs in a flowing stream in an open rocky bed, with cobble, sand, gravel and rocky substrates. This fish is most common in sections protected from the main current (Ref. 77038).