Labeobarbus longissimus (Nagelkerke & Sibbing 1997)

Very slender build: head length longer than body depth; body depth more than 4 times in standard length; ventral fin length more than 1.8 times in head length; eye diameter more than 2 times in snout length, more than 1.8 times in interorbital width; greenish or greenish grey.

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 14; Analspines: 0; Analsoft rays: 8

Occurs mostly over rocky substrates in relatively shallow water (less than 6 m). It is a real piscivore, with almost 100% of its food consisting of fish (Ref. 35835).

Labeobarbus longissimus is a species of ray-finned fish in the genus Labeobarbus which is endemic to Lake Tana in Ethiopia.