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Acanthuriformes (Surgeonfishes) >
Siganidae (Rabbitfishes)
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).
More on author: Linnaeus.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; saumâtre récifal; océanodrome (Ref. 51243); profondeur 0 - 20 m (Ref. 90102), usually 2 - 20 m (Ref. 27115). Tropical; 25°C - 28°C (Ref. 27115); 30°N - 20°S
Indo-Pacific: Persian Gulf, Gulf of Oman, Pakistan, India, Sri Lanka, Burma, Andaman Islands, Thailand, Viet Nam, southern China, Malaysia, Indonesia, Philippines, Australia, New Guinea, Vanuatu and New Caledonia. Records for the Ryukyu and Ogasawara Islands could be based on strays (Ref. 9813).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 53.0 cm TL mâle / non sexé; (Ref. 9710); common length : 30.0 cm TL mâle / non sexé; (Ref. 9813)
Épines dorsales (Total) : 13; Rayons mous dorsaux (Total) : 10; Épines anales: 7; Rayons mous anaux: 9; Vertèbres: 13. Body bronze above, white on belly and thorax; iris light brown; pectoral fins hyaline, pelvic fins white. Slender and pungent dorsal spines; anal spines stout. Preopercular angle 78°-92°. Strong scales cover cheeks. Midline of thorax scaled but not pelvic ridges. Broad-based triangular flap of anterior nostril reaching half way to posterior nostril in juveniles, reducing to a small crescent with age.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Occurs in small schools of up to 10 individuals or so, in shallow coastal waters, brackish lagoons and rocky or coral reefs. Feeds on algae attached to the substrate and on floating algal fragments. Found resting in midwater at depths of 2 to 6 m when not feeding. Marketed fresh (Ref. 9813, 48637). Maximum depth from Ref. 027115.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01479 (0.00929 - 0.02354), b=3.05 (2.92 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.4 ±0.08 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 (32 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
High.
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Nutriments (Ref. 124155) |
Calcium = 26.6 [12.9, 59.8] mg/100g; Iron = 0.564 [0.265, 1.268] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.102 [0.053, 0.199] g/100g; Selenium = 20 [8, 50] μg/100g; VitaminA = 27.5 [7.2, 104.7] μg/100g; Zinc = 1.26 [0.50, 2.78] mg/100g (wet weight); |