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Species: Serranus annularis, Orangeback Bass

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2 black-ringed orange squares behind eye
lower body: white + orange bars

Serranus annularis (Gunther, 1880)

Orangeback Bass

Body elongate, moderately compressed; snout shorter than eye; rear of top jaw exposed when mouth closed, without accessory bone above it; 3 opercular spines well developed, middle spine straight; preopercle regularly serrated, no spur with enlarged spines; gill rakers 15-18; dorsal fin X,10; anal fin III, 6-7; pelvics inserted before pectoral base; pectoral fin 13-17; tail with slightly concave edge, 13-15 branched rays; scales very rough, relatively large, 10-12 rows of scales on cheek; 46-50 pored lateral line scales; top of head without scales.

Upper 1/3 of head and body red-brown, darker on midbody, lower 2/3 white, with 7 short pale orange bars and blotches below; 2 rectangular orange blotches with dark brown borders on upper operculum behind eye.

Reaches 9 cm.

Reef associated - on sand bottoms with rock and rubble.

Depth range: 4-115 m.

N Carolina to Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Rocks
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Corals
  • Reef (rock/coral/oyster)
  • Reef and soft bottom
  • 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
  • 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)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 9
Depth Range Min
  • 4
Depth Range Max
  • 115