Élasmobranches (requins et raies) (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); californica: -ica (L.), belonging to: California (USA), referring to type locality in San Francisco Bay (See ETYFish).
More on author: Ayres.
Taxonomic Remarks
It is sympatric with S. armata.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur 3 - 205 m (Ref. 9253), usually 3 - 46 m (Ref. 54903). Subtropical; 56°N - 4°S, 134°W - 77°W
Eastern Pacific: Canada to Gulf of California, south to northern Peru.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 97.0, range 86 - 108 cm
Max length : 152 cm TL mâle / non sexé; (Ref. 247); âge max. reporté: 35 années (Ref. 6147)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Épines anales: 0.
Body shape (shape guide): other.
Found on the continental shelf and littoral areas (Ref. 247).A sluggish and inactive species that buries itself in sand or mud (Ref. 247). Also found around rocks, heads of submarine canyons, and sometimes near kelp forests (Ref. 247). Feeds on bottom and epibenthic fishes, including croakers, California halibut, and squid (Ref. 247). Ovoviviparous (Ref. 50449). Can whip up its head and snap very quickly when touched, provoked, harassed, or speared, and can inflict painful lacerations (Ref. 247).
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 12.5 - 25.9, mean 21 °C (based on 60 cells).
Indice de diversité phylogénétique (Réf.
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).
Niveau trophique (Réf.
69278): 4.1 ±0.4 se; based on diet studies.
Résilience (Réf.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (K=0.15-0.16; tm=8-13; tmax=35; Fec=6).
Vulnérabilité de la pêche (Ref.
59153): High to very high vulnerability (67 of 100).
🛈
Nutriments (Ref.
124155): Calcium = 17.5 [3.6, 86.6] mg/100g; Iron = 0.795 [0.206, 2.275] mg/100g; Protein = 19.9 [17.8, 21.8] %; Omega3 = 0.363 [0.162, 0.801] g/100g; Selenium = 26.5 [7.5, 76.0] μg/100g; VitaminA = 9.99 [3.53, 27.74] μg/100g; Zinc = 0.421 [0.203, 0.760] mg/100g (wet weight);
