Élasmobranches (requins et raies) (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); profundorum: Latin for “out of the depths” (holotype captured at 1492 m) (See ETYFish).
More on authors: Goode & Bean.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 256 - 1830 m (Ref. 117245), usually 1100 - 1750 m (Ref. 55584). Deep-water; 67°N - 6°N, 76°W - 2°E
Western Atlantic: from Davis Strait, Canada, south to off Delaware Bay, USA and off Suriname (Ref. 13608). Eastern Atlantic: Morocco and northwest Africa (Ref. 40643).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 54.2 cm TL mâle / non sexé; (Ref. 13608)
Short snout, small eye, shorter gill openings. Uniform grayish brown below and above in alcohol (Ref. 6032).
Body shape (shape guide): elongated.
Inhabits the continental slope. Maximum length unknown, adolescent at 51 cm TL. Oviparous (Ref. 50449). Usually caught in deep exploratory trawls, and has no commercial interest (Ref. 117245).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 3.6 - 3.9, mean 3.8 °C (based on 9 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00172 - 0.00698), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 4.0 ±0.57 se; based on food items.
Résilience (Réf.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Fec assumed to be <10).
Vulnérabilité de la pêche (Ref.
59153): Moderate vulnerability (42 of 100).
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