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Species: Epinephelus ongus, White-streaked Grouper

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brown+ dense pale spots & scattered large blotches.
juv: body & fins black + white spots

Epinephelus ongus (Bloch, 1790)

White-streaked Grouper

Body robust, oblong, compressed, deepest at origin of dorsal fin; nostrils about equal size; rear of top jaw exposed when mouth closed, without bony knob at lower rear corner; teeth depressible, side of lower jaw with 2-4 rows of teeth; sides of roof of mouth with teeth; gill rakers 8-10+15-18; operculum edge with 3 flat spines, top spine longest, flap of upper corner strongly convex; preoperculum serrate, with very slightly larger serrae at angle; dorsal fin IX, 14-16, spines III-IV longest, length of base of soft part not longer than that of spiny part; anal fin III, 8; pectoral fin symmetrically rounded, fleshy, long (59-77% of head length), 15-17; pelvics insert just behind the base of the pectoral fin, shorter than pectorals, 43-50% head length; tail fin rounded; body scales rough, with auxiliary scales; lateral line scales 48-53, longitudinal scales 95-109.

Head, body and dorsal, anal and tail fins brown, with numerous small whitish spots (elongate in larger fish) that tend to form rows, and scattered large pale blotches; top edge of top jaw with a black stripe; edges of soft dorsal, soft anal and tail fin black; pectorals and pelvics with white spots in juveniles & subadults, not in adults.

Reaches 40 cm.

Habitat: rocky and coral reefs, inshore and lagoonal reefs, also in brackish water.

Depth range 5-60 m.

Indo-west Pacific; introduced to southeast Florida.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef only
  • Estuary
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Exotic (Introduced)
  • Greater Caribbean non-endemic
Regional Endemism
  • Continent
  • Continent only
  • Exotic (Introduced)
  • GC non-endemic
  • All species
  • Vagrant
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 40
Depth Range Min
  • 5
Depth Range Max
  • 60