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Species: Etropus delsmani delsmani, Delsman's flounder

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body not deep
lower gill rakers 6-7
LL straight
scales: snout no, accessory no

Etropus delsmani delsmani Chabanaud, 1940

Delsman's flounder

Body relatively slender (height 40-45% of SL); head blunt, length 23-29% of SL; eyes on left side, eyes ~ parallel, top eye below upper head profile, with crest behind it; mouth very small, 24-30% of head, ends under front edge of eye; jaws on blind side arched; most of teeth on blind side, in 1 row on each jaw, none enlarged; lower gill rakers 6-7; dorsal rays 71-77; anal rays 53-62; pectoral fins on both sides of body, with branched rays, fin 60-80% of head length; pelvic fins symmetrically positioned on belly, base of eye-side fin on body midline, short bases, 6 rays; tail fin with blunt angular point; urinary papilla on blind side, immediately behind anus; lateral line well developed on both sides, starts at top corner of operculum, relatively straight, no branch under lower eye; scales small, rough, easily dislodged, without small accessory scales; no scales on snout; 37-39 lateral line scales.

Eye side violet brown, a few dark blotches along lateral line; dorsal and anal with a few dark blotches; tail edge not dark; eye side pectoral dark outer half; blind side pale brown.

Size: 6 cm.

Habitat: sand and mud bottoms.

Depth: 45-73 m.

A west Atlantic subspecies of a neotropical species; NE Venezuela.


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Sand & gravel
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • GC endemic
  • Gulf of Mexico endemic
  • Continent
  • Continent only
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 6
Depth Range Min
  • 45
Depth Range Max
  • 73