Species: Fenestraja ishiyamai, Ishiyama's windowskate

Fenestraja ishiyamai (Bigelow & Schroeder, 1962)

Ishiyama’s windowskate

Heart-shaped disc with front margins almost straight; disc width 1.2X length; snout short (before eyes 9.3-13.3% TL); tip of snout relatively blunt, flexible, not elongate; front pectoral fin rays extend nearly to tip of snout; eyes on top of head, large (~space between them), with spiracles immediately behind; nostrils a little in front of mouth, with front lobes from nostrils forming a curtain between them and mouth; no nasal pits before and above nasal curtain; pelvic fin with 2 distinct lobes joined by membrane, front lobe as long as rear lobe; tail 57-67% of TL, base narrow (<eye), lateral folds along almost entire length; 2 small dorsal fins near rear of tail, with tail fin as a fold separated from and behind the second dorsal, dorsals confluent or distance between them ~1/3X length of base of the first dorsal; upper surface except extreme tip of snout densely covered with small, slender denticles; thorns relatively small, 4-9 around inner edges of eyes; 1-2 thorns on each shoulder, a row of 4 along nape, then a gap then a central row of ~54 to near or at 1st dorsal fin,1 row on each side of tail; tail, rear pelvic lobe and dorsal fins with dense denticles; no denticles on underside of disc and tail.

Upper surface pale greyish brown; lower surface white to pinkish white with the pectorals darker behind the gill openings.

Reaches 36 cm.

Habitat: soft bottoms.

Depth: 503-959 m.

SE Florida to Nicaragua.