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Species: Rostroraja ackleyi, Ocellate skate, Ocellated skate

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eye length ~1/3 snout length
disc width <65% TL
center disc - 1 row of thorns
shoulder 1+ thorns
snout side - slightly concave
pectoral base - dark centered ocellus

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.

Upper surface yellowish brown, with scattered pale and dark spots and two large ocelli (dark, with pale rims) about the mid-side of the disc; mucous pores on underside of disc unpigmented.

Reaches 41 cm.

Lives on soft bottoms.

Depth range: 32-384 m.

The Gulf of Mexico.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Bony fishes
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No data
  • No pelagic larva
  • Benthic
  • No pelagic phase
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • Continent + Island (s)
  • GC endemic
  • Continent
  • Island (s)
  • Continental primarily
Residency
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Data deficient
  • Listed
CITES
  • Not listed
Depth Range Max
  • 384
Depth Range Min
  • 32
Length Max
  • 41