Species: Rostroraja ackleyi, Ocellate skate, Ocellated skate

Rostroraja ackleyi (Garman, 1881)

Ocellated skate

Rhomboidal disc, width <65% of TL; snout rigid, not elongate, fairly blunt, its sides only slightly concave, length of snout ~3 times eye length and 12-15% of TL; pectoral rays not extending along sides of snout to near its tip; 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; upper jaw 42-48 tooth rows; 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; tail 52-54% of TL, with side folds along its entire length; upper surface of disc largely free of denticles, moderate sized thorns on snout, around eyes, between spiracles and a row along midline from the nape to the first dorsal fin (at least 15 between base of pelvic and first dorsal fin), 1 or more thorns on each shoulder, each side of tail with one additional row of thorns.