Species: Rostroraja cervigoni, Finspot skate

Rostroraja cervigoni Bigelow & Schroeder, 1964

Finspot skate

Rhomboidal disc with front margins straight to convex; disc width >70% of total length; snout rigid, not elongate, fairly blunt, underside of its edge with fine spines; eyes on top of head, with spiracles immediately behind; nostrils a little in front of mouth, with front lobes from nostrils forming a curtain between them and mouth; pectoral rays not extending along sides of snout to near its tip; pelvic fin with 2 distinct lobes joined by membrane, rear lobe large; 2 small dorsal fins near rear of tail, with tail fin as a fold behind the second dorsal; upper surface of disc largely free of denticles, 7 moderate sized thorns around front and inner edges of eye, 1 small thorn on inner edge of spiracle, 3 large thorns on nape, a row of (~15) thorns along midline from axil of pectoral fins to the first dorsal fin, each side of tail with one additional row of thorns, 4 thorns between dorsal fins.