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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
বাস্তুসংস্থান
সামুদ্রিক; গভীরতার পরিসীমা 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 / আকৃতি / ওজন / Age
Maturity: Lm ?, range 65 - ? cm
Max length : 77.0 cm TL (female)
পৃষ্ঠীয় কাঁটা (মোট ) : 2; পায়ূ কাঁটা : 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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ইন্টারনেট সুত্র
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).
ট্রফিক পর্যায়ে (Ref.
69278): 4.3 ±0.3 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec=4).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).