Elasmobranchii (tubarões e raias) (sharks and rays) >
Squatiniformes (Angel sharks) >
Squatinidae (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned) (See ETYFish); aculeata: Latin for sharp-pointed, referring to large thorns on head and along back (See ETYFish).
More on author: Cuvier.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas demersal; intervalo de profundidade 30 - 500 m (Ref. 247). Subtropical; 43°N - 19°S, 18°W - 30°E
Eastern Atlantic: western Mediterranean, Morocco, Senegal, Guinea to Nigeria, Gabon to Angola.
Comprimento na primeira maturidade / Tamanho / Peso / Idade
Maturidade: Lm ?, range 124 - ? cm
Max length : 188 cm TL macho/indeterminado; (Ref. 247); common length : 100.0 cm TL macho/indeterminado; (Ref. 26999); peso máx. Publicado: 40.0 kg (Ref. 128028)
Found mainly on muddy bottom (Ref. 26999). Feeds on small sharks and jacks. Ovoviviparous (Ref. 50449). Utilized dried salted and fresh for human consumption; liver oil and hide also utilized (Ref. 247).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Ovoviviparous, embryos feed solely on yolk (Ref. 50449).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 13.1 - 17.2, mean 15.2 °C (based on 65 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00287 - 0.01523), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.0 ±0.4 se; based on diet studies.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Vulnerabilidade da pesca (Ref.
59153): Very high vulnerability (90 of 100).
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Nutrientes (Ref.
124155): Calcium = 13.9 [3.0, 67.9] mg/100g; Iron = 0.738 [0.191, 2.174] mg/100g; Protein = 19.7 [17.7, 21.7] %; Omega3 = 0.371 [0.168, 0.804] g/100g; Selenium = 33.5 [9.7, 99.1] μg/100g; VitaminA = 9.1 [3.3, 26.2] μg/100g; Zinc = 0.41 [0.20, 0.74] mg/100g (wet weight);