Achilles tang

Facts

Scientific name:

Acanthurus achilles

Biology:

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

IUCN Red List Status:

Least Concern

Threat to humans:

Traumatogenic

Photos & Description

Source:

http://betterknowafish.com/2013/04/21/achilles-tang-acanthurus-achilles/

Source:

http://brianeyes21comcast.net/2013/11/26/11-26-13-achilles-surgeonfish/

License type:

CC-BY-SA

Author:

Hectonichus

Source:

http://en.wikipedia.org/wiki/Acanthurus_achilles#mediaviewer/File:Acanthuridae_-_Acanthurus_achilles.JPG

See my photos of this species See photos of this specie from other users

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.

Size / Weight / Age:

Maturity: L m &nbsp ? &nbsp range ? - ? cm Max length : 24.0 cm TL male/unsexed;