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); microps: micro-, from mikros (Gr.), small; ops (Gr.), eye, described as having the smallest eyes in its original genus, Scyliorhinus (Scyliorhinidae). (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 1000 - 2200 m (Ref. 55584). Deep-water; 67°N - 38°S
Southeast Atlantic: off the Orange River to Cape Agulhas, South Africa. Elsewhere known from the North Atlantic.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 61.0 cm TL mâle / non sexé; (Ref. 5578); 43.2 cm TL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Épines anales: 0. A stout, plain catshark with small eyes, a long thick and broad snout, and long labial furrows; mouth projecting well in front of eyes; pectoral fins very short (Ref. 5578). Uniformly black or dark to medium brown or grey; no markings (Ref. 5578).
Found on the continental slope, on or near the bottom (Ref. 244). Feeds on small bony fish, shrimp, squid, and possibly other sharks (Ref. 5578). Oviparous (Ref. 50449).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Oviparous (Ref. 5578). 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)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 3 - 6.1, mean 3.7 °C (based on 57 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.8 ±0.3 se; based on diet studies.
Résilience (Ref.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 10.9 [1.9, 65.3] mg/100g; Iron = 0.36 [0.08, 1.25] mg/100g; Protein = 18.7 [16.6, 20.9] %; Omega3 = 0.249 [0.094, 0.654] g/100g; Selenium = 16.7 [5.1, 56.2] μg/100g; VitaminA = 6.45 [1.27, 30.69] μg/100g; Zinc = 0.319 [0.159, 0.597] mg/100g (wet weight);
