Species: Calamopteryx robinsorum, Teacher Brotula

Calamopteryx robinsorum Cohen, 1973

Teacher Brotula

Body relatively short and stubby; head depressed, broadly rounded; eye large (13-19% of head length), horizontally elongate ovals; head with only a few small, scattered papillae; front nostril tubular, immediately above the top lip, rear nostril a circular hole; teeth on sides of roof of mouth; no central tooth patch at bottom of gill arches, paired patches at bases of gill arches 3-5; opercular spine flattened and flap-like; lower edge of preopercle with curved, forward-pointing spine; dorsal fin 58-68; anal fin 40-49; pectoral fin at end of elongate stalk, 14-19; each pelvic fin is one thread, inserted under throat; tail fin 8, joined to dorsal and anal fins; rows of small papillae along side of belly; scales on body and much of head; male with fleshy pad and hooded penis immediately behind anus.

Grey-brown, with large widely spaced dark chromatophores, those densely distributed on cheeks and top rear of head.

Size 5 cm.

Trawled on soft bottoms.

Depth range: 40-210 m.

The Gulf of Mexico, Bahamas and Caribbean.