इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री; गहराई सीमा 320 - 410 m (Ref. 86942). Deep-water; 16°S - 18°S, 168°E - 170°E (Ref. 54898)
Western Central Pacific: Chesterfield Islands (Ref. 11897) and Vate, Vanuatu.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm ?, range 65 - ? cm
Max length : 77.0 cm TL (female)
पृष्ठीय रीढ़ (सम्पूर्ण) : 2; गुदा कांटा: 0. No conspicuous black tips on fins, no white spots on body (Ref. 247).
Found on the insular slopes (Ref. 247). Probably ovoviviparous, with 3 young per litter (Ref. 247).
Probably ovoviviparous, with 3 young per litter. Size at birth about 24 cm.
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
Harmless
Human uses
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00162 - 0.00707), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.3 ±0.3 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (Fec=4).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).