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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); macrorhynchus: macro-, from makros (Gr.), long or large; rhynchus (L.), snout, referring to long, acutely pointed snout (See ETYFish).
More on author: Tanaka.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin bathydémersal. Deep-water; 34°N - 21°N

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Northwest Pacific: southeast Honshu, Japan and Taiwan.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 66.0 cm TL (female)

A little-known deepwater bottom shark. Oviparous with one egg per oviduct.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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 2024-1)

Préoccupation mineure (LC) ; Date assessed: 27 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: sans intérêt

FAO - Publication: search | FishSource |

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Trophic ecology
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Ecology
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Life cycle
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Estimates based on models

Preferred temperature (Ref. 123201): 2.5 - 5.4, mean 3.8 °C (based on 68 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Niveau trophique (Ref. 69278): 3.9 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Fec=2).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (46 of 100).

Apristurus macrorhynchus (Tanaka, 1909)