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Species: Ancylopsetta dendritica, Three-spot flounder

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brown + 3 large ocelli
pelvics: eye side fin long

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Ancylopsetta dendritica Gilbert, 1890

Three-spot flounder

Body deep; height ~ 54% of SL; eyes on left side (uncommonly on right side); upper margin of head concave before eye; mouth long, ~ 38% of head length, ends under middle lower eye; teeth small, conical, 1 row on jaws, equally developed on blind and eyed sides; 7-9 short, fat gill rakers; dorsal origin over front edge of eye; dorsal rays 76-84; pelvics symmetrically positioned on belly, eye-side fin very long, more than twice as long as blind side fin; pectoral larger on eye side; urinary papilla on eyed-side, anus on blind side; lateral line well developed on both sides, strongly arched over pectoral fin extending onto head with branches behind upper eye and under lower eye; scales on both sides of body very rough; lateral line with 86-90 scales.

Eye-side body and fins dark brown; 3 large ocelli on body, a pair on midbody on the upper and lower flanks, the 3rd  just before tail base, each consisting of a large round black spot surrounded by a thin yellow ring and with 1-2 small white central spots.

Size: 35 cm.

Habitat: muddy-sand bottoms.

Depth: 7-100 m.

Southern Baja and the Gulf of California to Peru, and Malpelo.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
  • Soft bottom only
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic worms
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Island (s)
  • All species
  • Continent + Island (s)
  • Continent
  • TEP endemic
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 35
Depth Range Min
  • 7
Depth Range Max
  • 100