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Species: Acanthurus sohal, Red sea surgeonfish, Sohal surgeonfish

All Families:   All Genera:   All Species:

grey; upper head & body + thin black stripes
D,A & C black + blue edges
behind pectoral: yellow blotch
tail spine orange

Acanthurus sohal (Forsskall, 1775)

Sohal surgeonfish,  Red Sea surgeonfish

Body strongly compressed, a distinctly elongate oval; head profile steep, gently rounded; eye high on side of  head; mouth small, low on head; teeth on jaws fixed, with flattened, notched tips, 16 on top jaw, 18 on lower; gill rakers 23-26; dorsal fin IX, 30-31 no notch after spines; anal fin III, 28-29; dorsal and anal fins relatively high; pectoral rays 15-17; pelvic fin I, 5; a single, long, slender depressible spine fits into a groove on the side of the base of the tail; tail fin edge lunate, strongly so in adult.

Pale grey; upper head with narrow black stripes; upper 2/3 of body with thin black stripes; dorsal, anal and tail fins black, with blue margin; adult: pectoral white/yellow, with black edges; behind pectoral with an orange blotch; tail spine sheath orange.

 

Reaches 40 cm.

Outer edge of reef flats.

Depth range: 0-50 m.

North Western Indian Ocean: exotic introduced to Florida.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Reef only
  • Rocks
FishBase Habitat
  • Reef Associated
Feeding Group
  • Herbivore
  • Data
Diet
  • Benthic microalgae
  • Data
Egg Type
  • Pelagic larva
  • Data
  • Pelagic
Global Endemism
  • Exotic (Introduced)
Regional Endemism
  • Exotic (Introduced)
Residency
  • Vagrant
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 40
Depth Range Min
  • 0
Depth Range Max
  • 50