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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Prionurinae
Etymology: Prionurus: Greek, prion, -onos = saw + Greek, oura = tail (Ref. 45335).
More on author: Ogilby.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; saumâtre récifal; profondeur ? - 20 m (Ref. 86942). Subtropical; 20°C - 24°C (Ref. 27115)
Southwest Pacific: New South Wales and Lord Howe Island to Queensland; only Capricorn Group and Swains Reefs on the Great Barrier Reef. Also reported from Norfolk, Kermadec, and New Zealand (Ref. 8879).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 45.0 cm TL mâle / non sexé; (Ref. 2334)
Rayons mous dorsaux (Total) : 24 - 26; Rayons mous anaux: 23 - 25. Colour bluish grey with narrow vertical yellow bars on side of body and small yellow spots dorsally on body and on head. Keeled peduncular plates blue and black. Keeled peduncular plates usually 3, no scattered small thorn-like plates dorsally and posteriorly to midlateral series (Ref 9808).
Body shape (shape guide): fusiform / normal.
Found along rocky shores, juveniles in estuaries and bays (Ref. 9710). Feeds on benthic algae (Ref. 9710).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 20.3 - 25.2, mean 24.4 °C (based on 123 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 2.0 ±0.00 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low to moderate vulnerability (35 of 100).
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Nutriments (Ref.
124155): Calcium = 28.1 [13.2, 63.0] mg/100g; Iron = 0.579 [0.276, 1.104] mg/100g; Protein = 19.6 [18.4, 20.7] %; Omega3 = 0.191 [0.100, 0.407] g/100g; Selenium = 13 [6, 28] μg/100g; VitaminA = 31.9 [8.6, 120.2] μg/100g; Zinc = 1.22 [0.78, 1.99] mg/100g (wet weight);