Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (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
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 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 / Μέγεθος / Βάρος / Age
Maturity: Lm 120.0, range 115 - 125 cm
Max length : 135 cm TL αρσενικό/απροσδιόριστο; (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
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Traumatogenic
Human uses
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 4.5 ±0.62 se; based on food items.
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (81 of 100).