ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus). (See ETYFish); aphyodes: Greek for whitish, referring to its pale-gray coloration. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদ্রবক্ষে ভাসমান (ব্যথিপেলাজিক); গভীরতার পরিসীমা 1014 - 1800 m (Ref. 31787). Deep-water; 58°N - 57°N
Northeast Atlantic.
Length at first maturity / আকৃতি / ওজন / Age
Maturity: Lm 56.9  range ? - ? cm
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
Body slender and cylindrical. Dermal denticles from dorsolateral side of body small and erect.
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Nakaya, K. and M. Stehmann, 1998. A new species of deep-water catshark, Apristurus aphyodes n. sp., from the Eastern North Atlantic (Chondrichthyes: Carchariniformes: Scyliorhinidae). Arch. Fish. Mar. Res. 46(1):77-90. (Ref. 31787)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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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=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.9 ±0.4 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (47 of 100).
Nutrients (Ref.
124155): Calcium = 68 [11, 679] mg/100g; Iron = 0.416 [0.082, 2.133] mg/100g; Protein = 18.2 [15.6, 20.9] %; Omega3 = 0.217 [0.047, 0.913] g/100g; Selenium = 3.5 [0.6, 22.8] μg/100g; VitaminA = 338 [26, 4,063] μg/100g; Zinc = 1.53 [0.54, 4.90] mg/100g (wet weight);