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Species: Synagrops bellus, Blackmouth Bass

All Families:   All Genera:   All Species:

body depth 26-33% SL
no fin spines serrated
D IX+I,9, 2 parts separate
large size
gill rakers 19-26
preopercle toothed/smooth + 2-3 keels
A II, 7
LL 28-31
scales smooth

Synagrops bellus (Goode & Bean, 1896)

Blackmouth Bass

Body elongate, tapering, body depth 26-33% SL, distinctly < head length; snout very short; eye huge; broad and flat between eyes; mouth large, bone of top jaw expanded at rear & largely exposed when mouth is closed, ends ~under mid-eye; top and bottom jaws with 1 pair of canines at front, then bands of simple teeth, lower jaw also with canines at sides; preopercle with few strong teeth or smooth, with 2-3 small keels on outer part at lower rear edge; rear of opercle with 1-2 flat points; gill membranes separate, free from underside of head; gill rakers: 19-26, total 15-19; dorsal fin IX + I, 9, a distinct gap >4%SL between the 2 sections; anal fin II, 7; no fin spines serrated; tail fin forked; pectorals longer than pelvics; scales large, smooth, easily shed; scales on cheeks, operculum with or without scales; lateral line continuous, with 28-31 tubed scales.

Head, body and fins sooty black; eye with orange-yellow iris; sides with dark chevron marks formed by black scale edges; inside mouth and gill chamber pale.

Reaches 46 cm.

Near and above the bottom on deep water reefs.

Depth range: 60 -1174 m, usually below 100 m.

W Atlantic; Canada to Brazil.

Note: unconfirmed records from W Africa.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom + water column
  • Mid Water
  • Near Bottom
  • Water column
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Bathydemersal
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Bony fishes
  • Octopus/squid/cuttlefish
  • Pelagic crustacea
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 46
Depth Range Min
  • 60
Depth Range Max
  • 1174