ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Centrophoridae (Gulper sharks)
Etymology: Deania: -ia (Gr.), belonging to: American ichthyologist Bashford Dean (1867-1928), American Museum of Natural History, for his research on selachian fishes (See ETYFish); profundorum: Latin for “of the depths,” type specimens collected from 717-1785 m (See ETYFish).
Eponymy: Dr Bashford Dean (1857–1928) was an American zoologist, ichthyologist and acknowledged expert on mediaeval armour. [...] (Ref. 128868), visit book page.
More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক ব্যথিডিমারসাল সমুদ্র তলদেশবিহারী; গভীরতার পরিসীমা 205 - 1800 m (Ref. 55584). Deep-water; 40°N - 37°S, 93°W - 127°E (Ref. 54348)
Northwest Atlantic: North Carolina, USA. Eastern Atlantic: West Sahara to Senegal, Nigeria, Gabon to Democratic Republic of the Congo, Namibia and South Africa (Ref. 5578). Indian Ocean: Arabian Sea (Ref. 85183). Western Central Pacific: Philippines.
Length at first maturity / আকৃতি / ওজন / Age
Maturity: Lm ?, range 70 - ? cm
Max length : 110 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 95232)
পৃষ্ঠীয় কাঁটা (মোট ) : 2; পায়ূ কাঁটা : 0. A longnose dogfish with a long, low 1st dorsal fin and a subcaudal keel on underside of caudal peduncle (Ref. 5578). Brownish-grey or dark grey in color (Ref. 5578).
Found on the upper continental and insular slopes, on or near the bottom (Ref. 247). Feeds on small benthic and midwater bony fishes, squid, and crustaceans (Ref. 247). Ovoviviparous (Ref. 50449). Minimum depth reported from taken from Ref. 5578.
Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 5 to 7 young in a litter (Ref. 5578). Distinct pairing with embrace (Ref. 205).
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: Version 2024-1)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 4.9 - 12.3, mean 8.3 °C (based on 337 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00191 (0.00109 - 0.00333), b=3.17 (3.01 - 3.33), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 4.4 ±0.4 se; based on diet studies.
স্থিতিস্থাপক (Ref.
120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec=5).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (66 of 100).
Nutrients (Ref.
124155): Calcium = 7.85 [1.60, 42.16] mg/100g; Iron = 0.322 [0.076, 1.053] mg/100g; Protein = 20.7 [17.7, 22.9] %; Omega3 = 0.33 [0.12, 1.04] g/100g; Selenium = 15.9 [4.8, 45.8] μg/100g; VitaminA = 15.3 [3.4, 70.3] μg/100g; Zinc = 0.288 [0.139, 0.564] mg/100g (wet weight);
