أشلاق (القروش و الشفانين) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Etmopteridae (Lantern sharks)
Etymology: Centroscyllium: Greek, kentron = sting + Greek, skylla = a kind of shark (Ref. 45335).
Eponymy: Dr William Emerson Ritter (1856–1944) was an American marine biologist and tunicatologist. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Fowler.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 110 - 1100 m (Ref. 50610). Temperate; 35°N - 32°N
Northwest Pacific: endemic to Japan.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 42.5, range 42 - 43 cm
Max length : 43.0 cm TL ذكر/ مختلط الجنس; (Ref. 247)
A little-known distinctive deepwater dogfish, biology almost totally unknown. Ovoviviparous (Ref. 205).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
Download XML
مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00188 - 0.00734), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.3 se; based on diet studies.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).
