Koumansetta Whitley 1940

Key to the species of Koumansetta

1a First dorsal fin without ocellus; head and body with narrow orange longitudinal stripes; longitudinal scale series 55–61................................................................................................. K. rainfordi

1b First dorsal fin with distinct black ocellus; head and body with narrow yellow longitudinal stripes; longitudinal scale series 49– 54.................................................................................................. 2

2a Pectoral-fin rays 15; middorsal stripe and the dorsolateral pair of stripes going from snout in U shape backwards, each splitting into double stripe at the level of eyes and converging again above posterior margin of opercle on predorsal area; lowermost stripe on body ending below middle of second dorsal fin......................................... K. hoesei sp. nov.

2b Pectoral-fin rays 16–17; middorsal stripe and the lateral pair of stripes going from snout in U shape backwards retain single, not diverging and doubling at the level of eyes; lowermost stripe on body extending to posterior caudal peduncle....................................................................................................... K. hectori.