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Scombriformes (Mackerels) >
Tetragonuridae (Squaretails)
Etymology: Tetragonurus: Greek, tetra = four + Greek, gonia = angle + Greek, oura = tail (Ref. 45335); cuvieri: Named after G.C.L.D. Cuvier 1769-1832, a founder of modern ichthyology (Ref. 6885).
Eponymy: Georges Léopold Chrétien Frédéric Dagobert Baron Cuvier (1769–1832), better known by his pen name Georges Cuvier, was a French naturalist and one of the scientific giants of his age. [...] (Ref. 128868), visit book page.
More on author: Risso.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas batipelágico; oceanódromo (Ref. 51243); intervalo de profundidade 1 - 800 m (Ref. 10823). Deep-water
Eastern Pacific: Aleutian Islands, Alaska to Baja California, Mexico; Chile (Ref. 9068). Western Pacific: Japan (Ref. 559), New Zealand and Australia (Ref. 6885). Western Indian Ocean: Natal, South Africa (Ref. 4415). Atlantic Ocean, including the Mediterranean (Ref. 4415).
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 70.0 cm TL macho/indeterminado; (Ref. 4415)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 15 - 21; Raios dorsais (total) : 12 - 15; Espinhos anais: 1; Raios anais : 11 - 13; Vértebras: 52. Pectorals and pelvic fins small (Ref. 6885). Dark brown, paler at base of tail and on head, otherwise almost uniform throughout (Ref. 6885).
Body shape (shape guide): elongated.
Oceanic, usually near surface; possibly near bottom. Perhaps occurs in schools. Young usually among jellyfishes or inside large salps. Feeds on jellyfishes and salps (Ref. 2850), also other soft-bodied coelenterates, ctenophores, as well as plankton. There are conflicting reports that the flesh of this species is poisonous (Ref. 11149).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Haedrich, R.L., 1986. Tetragonuridae. p. 851. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4415)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Reports of ciguatera poisoning (Ref. 4690)
Uso pelos humanos
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Nível Trófico (Ref. 69278) |
3.8 ±0.35 se; based on food items. |
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Generation time |
11.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliência (Ref. 120179) |
Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (K=0.10). |
Vulnerabilidade da pesca (Ref. 59153) |
High to very high vulnerability (66 of 100). 🛈 |
Nutrientes (Ref. 124155) |
Calcium = 22.1 [8.1, 49.5] mg/100g; Iron = 0.298 [0.130, 0.826] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.113 [0.044, 0.280] g/100g; Selenium = 17.9 [6.2, 47.0] μg/100g; VitaminA = 33 [4, 264] μg/100g; Zinc = 0.487 [0.266, 0.950] mg/100g (wet weight); |