Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino asociado a arrecife; rango de profundidad 8 - 30 m (Ref. 90102), usually 15 - 20 m (Ref. 48637). Tropical; 25°C - 28°C (Ref. 27115); 33°N - 25°S
Indo-Pacific: East Africa to the Marquesan and Society islands, north to the Ryukyu Islands, south to Vanuatu.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 90.0 cm FL macho / no sexado; (Ref. 1602); edad máxima reportada: 31 años (Ref. 52229)
Espinas dorsales (total) : 4 - 5; Radios blandos dorsales (total) : 28 - 30; Espinas anales: 2; Radios blandos anales: 27 - 28. Distinctive humped back; horn only in adult males. A few scattered small dark-edged pale spots on postorbital head and body above pectoral fins. No white margin posteriorly on caudal fin. Profile of snout from mouth to eye strongly sloping, forming an angle of about 40° to horizontal axis of body (Ref 9808).
Body shape (shape guide): fusiform / normal.
Inhabits deep coastal, usually in small groups but occasionally in large schools (Ref. 48637). Sometimes solitary (Ref. 90102). An uncommon species found in seaward reef slopes (Ref. 9710, 48637), also along rocky shores (Ref. 30573). Feeds on benthic algae (Ref. 30573). Caught with nets (Ref. 30573).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Spawn in pairs (Ref. 240).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: comercial; Acuario: Comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Temperatura preferida (Referencia
123201): 25.7 - 29, mean 28.1 °C (based on 218 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00838 - 0.02612), b=2.93 (2.78 - 3.08), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 2.7 ±0.29 se; based on food items.
Resiliencia (Referencia
120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (K=0.429; tmax=31).
Vulnerabilidad pesquera (Ref.
59153): High vulnerability (60 of 100).
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Nutrientes (Ref.
124155): Calcium = 23.1 [13.7, 44.2] mg/100g; Iron = 0.437 [0.219, 0.804] mg/100g; Protein = 18.8 [17.7, 19.9] %; Omega3 = 0.107 [0.065, 0.200] g/100g; Selenium = 36.5 [18.1, 64.6] μg/100g; VitaminA = 54.9 [16.4, 168.2] μg/100g; Zinc = 1.26 [0.87, 1.79] mg/100g (wet weight);