Actinoptérygiens (poissons à nageoires rayonnées) >
Perciformes (Perch-likes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335). More on author: Valenciennes.
Environnement / Climat / Gamme
Écologie
; marin récifal; profondeur 4 - 131 m (Ref. 9710), usually 9 - 130 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115), preferred ?; 40°N - 37°S, 17°E - 155°W
Indo-Pacific: East Africa (including the Mascarene Islands, Ref. 37792) to the Hawaiian and Line islands, north to southern Japan, south to Rowley Shoals, southern Great Barrier Reef and Lord Howe Island. Absent from most of central Pacific.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 54.0 cm TL mâle / non sexé; (Ref. 3145); common length : 35.0 cm TL mâle / non sexé; (Ref. 3146); âge max. reporté: 28 années (Ref. 52229)
Épines dorsales (Total): 9; Rayons mous dorsaux (Total): 25-27; Épines anales 3; Rayons mous anaux: 24 - 26. Pale brown body; broader, irregular lines on head; orange band between eyes, continued behind each eye to gill cover. Each side of caudal peduncle with single, sharp, forward-pointing erectile spine; spine largely covered by cream sheath; groove surrounded by a black area. Dorsal fin with soft part having longer base than spinous part. Minute scales. Gill rakers 22-26 in anterior row, 23-27 in posterior row. Caudal fin lunate in adults (Ref. 1602).
Schooling species, usually occurring in seaward reefs at depths greater than 9 m (Ref. 1602). Adults mainly on deep coastal reef slopes and outer reef walls, often on deep shipwrecks. Juveniles found on algae-rocky reef (Ref. 48637). Benthopelagic (Ref. 58302). Occur singly or in groups (Ref. 37816). Feed on surface film of fine green and blue-green algae, diatoms, and detritus covering sand (Ref. 1602). Pair-spawner (Ref. 37816). Mainly diurnal. (Ref. 1602). Utilized as a food fish (Ref. 3146).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Probably spawn in pairs (Ref. 240).
Randall, J.E., 1986. Acanthuridae. p. 811-823. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3145)
Statut dans la liste rouge de l'IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Plus d'informations
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueFréquences alléliquesHéritabilitéPathologiesTraitementMass conversion
Outils
Articles particuliers
Télécharger en XML
Sources Internet
