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Species: Ancylopsetta kumperae, Four-eyed Flounder

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D front rays short, no fleshy tips
4 ocelli with dark centers
blind side dark
eye-side pelvic: ocellus at tip
LL arched

Ancylopsetta kumperae Tyler, 1959

Four-eyed Flounder

Body deep; eyes on left side; upper margin of head concave before eye; teeth small, conical, 1 row on jaws, equally developed on blind and eyed sides; lower gill rakers 6-9; dorsal origin ~over or slightly before top eye, all front rays short, no fleshy projections at tips; dorsal rays 62-84; pectoral fin on both sides of body, with branched rays, larger on eye side; pelvic fins symmetrically positioned on belly, eye-side fin longer than blind side fin, inner rays of eye-side fin extensively branched, base of neither fin on body midline; urinary papilla on eye-side, anus on blind side; lateral line well developed on both sides, strongly arched over pectoral fin, with a branch under lower eye; scales on eye side rough.

Brown, 4 large ocelli with dark centers on eye side – 1 above arch of lateral line, 3 in a triangle, rear ocellus is on rear, straight lateral line; a dark ocellated spot on ~center of rear edge of pelvic fin; blind side dusky.

Reaches 25 cm.

Lives on soft bottoms.

Depth range: 27-207 m.

Colombia to N Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent only
  • Extends South of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 25
Depth Range Min
  • 27
Depth Range Max
  • 207