Acanthurus achilles Shaw, 1803

Achilles tang

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Acanthuridae \| Acanthurinae
Synonyms	Hepatus achilles, Teuthis achilles, Acanthurus aterrimus, ... more
Common names	Redtail surgeonfish, Chirurgien à tache rouge, Cirujano encendido, ... more

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Image of Acanthurus achilles (Achilles tang)

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AquaMaps Data sources: GBIF OBIS

Main reference

Randall, J.E. 1956. (Ref. 1920)
Other references | Biblio | Coordinator : Randall, John E. | Collaborators

Size / Weight / Age

Max length : 24.0 cm TL male/unsexed; (Ref. 9710)

Environment

Reef-associated; marine; depth range 0 - 10 m (Ref. 27115), usually 0 - 4 m (Ref. 9710)

Climate / Range

Tropical; 26°C - 28°C (Ref. 27115); 28°N - 26°S, 143°E - 109°W

Western Pacific: oceanic islands of Oceania to the Hawaiian and Pitcairn islands. Also known from Wake, Marcus, and Mariana islands. Eastern Central Pacific: southern tip of Baja California, Mexico (Ref. 9267) and other offshore islands.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 9; Dorsal soft rays (total): 29 - 33; Anal spines: 3; Anal soft rays: 26 - 29. Dark brown, nearly black in color. Erectile spine (sharp and forward-pointing) on each side of caudal peduncle which folds down into a groove. Mouth small, snout noticeably extended. Light blue ring around chin and presence of spot of same color on gill cover at angle of gill opening. Dorsal fin with soft part having longer base than spinous part. Juveniles lack the large orange spot on caudal area.

Occurs in clear seaward reefs, usually in groups (Ref. 9710). Benthopelagic (Ref. 58302). Feeds on filamentous and small fleshy algae (Ref. 9267). Monogamous (Ref. 52884). Spine in caudal peduncle may be venomous. Size of metamorphosis from postlarva stage to juvenile is 6 cm (Ref. 9267). This species sometimes hybridizes with A. nigricans (Ref. 9808).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Traumatogenic (Ref. 4690)

Human uses
Fisheries: commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (25 of 100)	Medium

Entered by Froese, Rainer

Modified by Ortañez, Auda Kareen

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