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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: Lacepède.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas; estuarina associadas(os) a recifes. Subtropical; 15°C - 20°C (Ref. 27115)
Western Pacific: eastern Australia, including Lord Howe Island (Ref. 2334) and Japan (Ref. 27683).
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 70.0 cm TL macho/indeterminado; (Ref. 2334)
Espinhos dorsais (total) : 8; Raios dorsais (total) : 21 - 22; Espinhos anais: 3; Raios anais : 20 - 21. Colour grey-brown with indistinct dark bars on side of body, the 5 to 7 peduncular plates black. Body depth of subadults about 2 times in SL, the body becoming more elongate with age (to as much 3 times in SL in large adults). Adults developing a pronounced protuberance anteriorly on snout (Ref 9808).
Body shape (shape guide): fusiform / normal.
Occurs along rocky shores and feeds on benthic algae. Juveniles found in estuaries and bays (Ref. 9710).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Probably spawn in pairs (Ref. 240).
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)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: espécies comerciais; Aquário: Espécies comerciais
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 18.1 - 25.4, mean 23.3 °C (based on 108 cells).
Índice de diversidade filogenética (Ref.
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).
Nível Trófico (Ref.
69278): 2.7 ±0.30 se; based on food items.
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Vulnerabilidade da pesca (Ref.
59153): Moderate to high vulnerability (48 of 100).
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Nutrientes (Ref.
124155): Calcium = 19 [10, 45] mg/100g; Iron = 0.486 [0.236, 0.884] mg/100g; Protein = 19.9 [18.9, 20.9] %; Omega3 = 0.198 [0.110, 0.409] g/100g; Selenium = 15.4 [6.7, 29.4] μg/100g; VitaminA = 30.3 [9.6, 99.9] μg/100g; Zinc = 0.948 [0.626, 1.460] mg/100g (wet weight);
