Indian Ocean mimic surgeonfish (Acanthurus tristis)

Scientific name: Acanthurus tristis Randall, 1993

Indian Ocean mimic surgeonfish (Acanthurus tristis)

The Indian Ocean mimic surgeonfish (Acanthurus tristis) is a marine fish of the family Acanthuridae. Native range: Indian Ocean, Bay of Bengal and the Andaman Sea west to Maldives and Chagos Archipelago, and east to islands of southern Indonesia at least to Bali.

Biology

Dorsal spines (total): 8; Dorsal soft rays (total): 23-33; Anal soft rays: 22 - 29. Margin of caudal fin narrow and white. No orange area behind gill opening and extending ventrally behind base of pectoral fins (juveniles mimic the angelfish Centropyge eibli) (Ref 9808).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Acanthurus tristis
Family
Acanthuridae (Surgeonfishes, tangs, unicornfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.0
Depth range
2–26 m (7–85 ft)
Environment
Marine; reef-associated; depth range 2 - 26 m
Climate
Tropical
Distribution
Indian Ocean: Bay of Bengal and the Andaman Sea west to Maldives and Chagos Archipelago, and east to islands of southern Indonesia at least to Bali.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Aquarium: commercial
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

More tangs & surgeonfish

See all tangs & surgeonfish

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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