أشلاق (القروش و الشفانين) (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); sibogae: Of the ship Siboga and Indonesian expedition (1898-1899) of the same name, during which holotype was collected (See ETYFish).
Eponymy: These species are named after the ship ‘Siboga’; some after the Indonesian expedition (1898– 1899) of the same name, during which the holotypes were collected. [...] (Ref. 128868), visit book page.
More on author: Weber.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق ? - 655 m (Ref. 244). Deep-water; 1°N - 4°S
Western Central Pacific: Makassar Strait slope between Borneo and Sulawesi (Indonesia).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm TL ذكر/ مختلط الجنس; (Ref. 244)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0. Reddish-white in color (Ref. 244).
A rare catshark, only known from the holotype taken from the Makassar Straits slope at a depth of 655 m (Ref. 244). Maximum length reported ( >21 cm TL) based on a juvenile specimen (Ref. 244). Oviparous (Ref. 50449).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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 (0.00175 - 0.00721), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
