Species: Ogcocephalus parvus, Roughback batfish

Ogcocephalus parvus Longley & Hildebrand, 1940

Roughback batfish

Head raised relatively high; disc triangular; snout pointed, rostrum a finger to a short cone, usually tilted upwards; fish-lure with 3 fleshy points, in a small cavity under horn; eyes on sides of head; mouth relatively small (36-50% head depth); spine at lower rear corner of operculum blunt or little developed; gill rakers are oval plates covered with small teeth; gill openings small, behind upper base of pectoral fin; dorsal and anal fins small, at rear of body;  pectoral and pelvic fins limb-like; pectorals completely separated from body, skin on underside of rays thick and spongy, forming pads near tips of rays; fin membrane thick and opaque, 10-11 rays; skin covered dorsal fin on tail, small fleshy anal fin (usually 4 rays) under tail; top of body with large bucklers as well as conical spines, bucklers very prominent giving a rough, broken, knobby surface; underside of body completely covered with pointed, bony scales, underside of tail densely covered with small prickles, with sometimes a few conical spines along midline; 5-6 lateral line scales under operculum, 8 on cheek.