Genus Sirembo

A genus of the ophidiid subfamily Neobythitinae having the body rather robust with dorsal fin origin above vertebrae 1–5; fully scaled head and body; large eyes, almost equal to length of snout; pelvic fins with two rays in each bound together with tough skin; no spines on preopercle; opercular spine short, not reaching rear margin of head; 3–5 long rakers on anterior gill arch; 18–40 pseudobranchial filaments; a single median basibranchial tooth patch; teeth granular, also present on palatines; precaudal vertebrae 13–15; dorsal rim of otolith and of large sulcus almost straight. Coloration variable with black spots and/or ocelli on dorsal fin, median part of anal fin often with black band, body and/or head with oblique or horizontal dark bands or horizontal rows of rather large dark spots.