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); tergocellata: tergum (L.), back; ocellata (L.), having little eyes (ocelli), referring to dark-edged and dark-spotted ocelli on dorsal surface (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 120 - 400 m (Ref. 41394), usually ? - 300 m (Ref. 6871). Temperate; 28°S - 36°S, 114°E - 136°E (Ref. 54910)
Eastern Indian Ocean: endemic to Australia.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 120.0, range 115 - 125 cm
Max length : 135 cm TL mâle / non sexé; (Ref. 31576)
Found on the continental shelf and upper slope. Common in about 300 m depth (Ref. 6871). Ovoviviparous (Ref. 50449). Flesh is tasty (Ref. 6871).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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 2024-2)
Menace pour l'homme
Traumatogenic
Utilisations par l'homme
Pêcheries: commercial
Outils
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 10.3 - 16, mean 12.7 °C (based on 22 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00309 - 0.01025), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.5 ±0.62 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (81 of 100).