Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (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); gibbosus: Latin for very crooked or humpbacked, referring to its convex dorsal outline (See ETYFish).
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους ? - 913 m (Ref. 13119). Deep-water
Northwest Pacific: off Zhujiang, South China Sea (Ref. 26282). Presence in the Western Central Pacific is uncertain (Ref. 11146).
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 388 cm TL αρσενικό/απροσδιόριστο; (Ref. 13119); 410.0 cm TL (female)
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Meng, Q, Y. Chu and S. Li, 1985. Description of four new species of Scyliorhinidae from depths of the South China Sea. Oceanol. Limnol. Sin. 16(1):49-50. (Ref. 13119)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
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).
Τροφικό Επίπεδο (Αναφ.
69278): 4.5 ±0.7 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (Annual Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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