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Species: Fenestraja ishiyamai, Ishiyama's Window Skate, Plain Pygmy Skate

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top uniform color
center disc thorns: 1 row, 4 + space+ ~54 to D
shoulder 1-2 thorns
no pits at corners nasal curtain

Fenestraja ishiyamai (Bigelow & Schroeder, 1962)

Plain Pygmy Skate, Ishiyama's Window Skate

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.

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  • Marine
  • Marine Only
  • Inshore Only
  • Offshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Bathydemersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Benthic
  • Data
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 36
Depth Range Min
  • 503
Depth Range Max
  • 959