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Species: Mycteroperca tigris, Tiger grouper

All Families:   All Genera:   All Species:

dense red spots + pale oblique lines
in mouth orange
pectoral edge yellow
D & A end angular
extruded rays in D, C & A
juv: yellow + dark stripe - snout to rear body
preopercle - no notch

Mycteroperca tigris (Valenciennes, 1833)

Tiger grouper

Body elongate, robust, compressed, depth at dorsal origin not greater than at anal origin; snout much longer than eye; in adult rear nostril 2-5X larger than front nostril; lower jaw projecting; rear of top jaw exposed when mouth closed, without accessory bone above it; teeth depressible; canines at front of jaws; preopercle serrated at lower corner, without a distinct notch above serrated corner; gill rakers, including rudiments 23-25, 15-17 below; dorsal fin with XI spines, indented between spines, 15-17 rays, rear edge bluntly pointed; anal fin with III spines, 11-12 rays, rear edge bluntly pointed; tail straight in juvenile, slightly concave in adult; dorsal, anal and tail fins with protruding rays in large fish; scales on side of body rough in juvenile, smooth in adult; 82-83 scales on lateral line.

Adult: head and body densely covered with red-brown to dark brown spots; nape and upper body with a series of 9-11 strongly defined  narrow whitish to greenish bars, those on body angled obliquely forwards; lower body with a network of pale lines; outer part of pectorals yellowish; inside mouth red-orange to yellow-orange. Juvenile: yellow, a dark stripe from snout, through eye along mid-side and fading out under soft dorsal.

Reaches 101 cm.

Found on reefs.

Depth range: 3-135 m.

Bermuda to Brazil.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species.
  • West Atlantic Endemic
  • Greater Caribbean non-endemic
Regional Endemism
  • GC non-endemic
  • Continent
  • Island (s)
  • Continent + Island (s)
  • Extends South of GC
  • All species..
  • Also in Brazil
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Depth Range Max
  • 135
Depth Range Min
  • 3
Length Max
  • 101