Bluelined surgeonfish (Acanthurus nigroris)

Scientific name: Acanthurus nigroris Valenciennes, 1835

Bluelined surgeonfish (Acanthurus nigroris)

The Bluelined surgeonfish (Acanthurus nigroris) is a marine fish of the family Acanthuridae. Native range: Indo-Pacific, Aldabra and Seychelles to the Hawaiian, Marquesan and Tuamoto Islands; throughout Micronesia.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 24-27; Anal spines: 3; Anal soft rays: 23 - 25. Color drab dark brown; spots on body located at the rear base of dorsal and anal fins. Black spot at rear base of dorsal fin not large, its greatest width more than 2 times in eye diameter. White posterior margin of caudal fin very narrow, its width less than 4 times in pupil diameter. No definite black margin around groove of peduncular spine. Body depth 1.8 to 2 times in SL. Maximum standard length about 20 cm (Ref 9808).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Acanthurus nigroris
Family
Acanthuridae (Surgeonfishes, tangs, unicornfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.0
Depth range
1–90 m (3–295 ft)
Environment
Marine; reef-associated; depth range 1 - 90 m
Climate
Tropical
Distribution
Indo-Pacific: Aldabra and Seychelles to the Hawaiian, Marquesan and Tuamoto Islands; throughout Micronesia.
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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