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Species: Anisotremus surinamensis, Black Margate Grunt, Black margate

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lower body wide black bar
fins black

Anisotremus surinamensis (Bloch, 1791)

Black margate

Body deep, compressed, back high; head short, blunt; rear margin of bone under eye concealed by scales; mouth small, low, ~ horizontal, lips fleshy; inside mouth not red; teeth in bands on jaws, outer ones larger, conical, none on center roof of mouth; a pair of conspicuous pores plus a central groove under the chin; 16-18 lower gill rakers; preopercle finely serrated; dorsal continuous but deeply notched, 4th spine longest, XII-XIII, 16-18; anal with III strong spines, 2nd very large, 8-10 soft rays; tail forked; scales moderate to large, rough, over entire body and head except front of snout, lips and chin, none on membranes between dorsal and anal soft rays; lateral-line scales 50-53; 5-7 scale rows between lateral line and base of first dorsal spine.

Body pale grey; front half of body with a broad dark bar from above lateral line to bottom of belly; scales on back with a dark central spot; fins blackish; juvenile with a black mid-lateral stripe, a black stripe along upper back, dusky fins, a dark spot on upper body scales, an indistinct broad dark bar under spinous dorsal to belly, and large black spot on base of tail fin.

Size: to 76 cm.

Habitat: coral reefs and other hard bottoms.

Depth: 0-109 m.

Florida to Brazil.

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  • Marine
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Rocks
  • Reef and soft bottom
  • Corals
  • Estuary
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Carnivore
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Sea-stars/cucumbers/urchins
  • Bony fishes
  • Data
Egg Type
  • Pelagic larva
  • Data
  • Pelagic
Global Endemism
  • West Atlantic Endemic
  • All species.
  • Greater Caribbean non-endemic
Regional Endemism
  • Island (s)
  • Continent + Island (s)
  • Also in Brazil
  • All species..
  • Extends South of GC
  • GC non-endemic
  • Continent
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Listed
  • Data deficient
  • Not listed
Length Max
  • 76
Depth Range Min
  • 0
Depth Range Max
  • 109