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); nasutus: Latin for large-nosed, referring to its elongated snout (See ETYFish).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 400 - 925 m (Ref. 244). Deep-water; 9°N - 28°S
Eastern Pacific: Gulf of Panama, Ecuador and central Chile. Also nominally recorded from the northeast Atlantic off Morocco, but identification uncertain.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 70.0 cm TL mâle / non sexé; (Ref. 9996)
Found on the upper continental slopes. Oviparous (Ref. 50449).
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
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): 3.1 ±0.30 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 to high vulnerability (48 of 100).
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Nutriments (Ref.
124155): Calcium = 8.92 [1.53, 55.68] mg/100g; Iron = 0.366 [0.077, 1.297] mg/100g; Protein = 16.6 [13.4, 19.7] %; Omega3 = 0.184 [0.072, 0.455] g/100g; Selenium = 14.1 [4.3, 47.2] μg/100g; VitaminA = 12.2 [2.4, 62.5] μg/100g; Zinc = 0.405 [0.191, 0.791] mg/100g (wet weight);
