Whitefin surgeonfish (Acanthurus albipectoralis) fish species and information / pictures of Whitefin surgeonfish - Acanthurus albipectoralis

Whitefin surgeonfish (Acanthurus albipectoralis) fish species information

Scientific Name
Acanthurus albipectoralis

Common Name
Whitefin surgeonfish

Biology
Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 22-33; Anal spines: 2 - 3; Anal soft rays: 18 - 31; Vertebrae: 22. Body varying from light bluish grey to dark brown, without blue lines. Outer part of pectoral fins abruptly white, the demarcation curved such that pale area is broadest on central part of fin. Least depth of caudal peduncle 3.1 to 3.3 times in head length. Maximum standard length about 33 cm (Ref 9808).

Classification

Classified By
Allen & Ayling, 1987
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Surgeonfishes, tangs, unicornfishes (Acanthuridae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Great Barrier Reef and Coral Sea to Tonga.
Range
19°S - 22°S, 157°E - 160°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
20 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 5 - 20 m (Ref. 9710)
Trophic Level
3.4 s.e. 0.45 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
33.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (30 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated