TaxonHub
Brown Surgeonfish

Brown Surgeonfish

Acanthurus nigrofuscus

A marine tropical fish species belonging to the surgeonfish family, characterized by its distinctive brown coloration and scalpel-like lateral spines used for defense and territorial interactions.

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Brown Surgeonfish
Brown Surgeonfish
Brown Surgeonfish
Brown Surgeonfish
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Ecology & Habitat

Habitat

Coral reefs and rocky coastal marine environments in the Indo-Pacific region, typically found at depths between 1-30 meters, preferring areas with abundant algal growth and complex reef structures

Ecological Role

Critical herbivorous marine species that contributes to coral reef ecosystem balance by controlling algal growth and serving as prey for larger predatory fish

Morphology

  • SKIN COAT Predominantly brown to grayish-brown coloration with potential color variations based on age and environmental conditions
  • LIMBS WINGS Powerful caudal fin enabling rapid maneuverability, pectoral fins used for precise reef navigation
  • HEAD SENSORY Large eyes with excellent peripheral vision, small terminal mouth adapted for grazing algae
  • BODY STRUCTURE Compressed, oval-shaped body with maximum length around 35 cm, featuring a robust lateral spine near tail base for defense
Data Source: TaxonHub Database
Image Credit: NPS photo - Bryan Harry
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Related Species in Acanthuridae