Élasmobranches (requins et raies) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others (See ETYFish); nipponensis: -ensis, Latin suffix denoting place: Nippon, or Japan (known only from Japanese waters) (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal. Deep-water; 34°N - 7°N
Northwest Pacific: China (Ref. 47946), Japan (Ref. 244) and the Kyushu-Palau Ridge (Ref. 559).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 54.0, range 53 - 55 cm
Max length : 70.0 cm TL mâle / non sexé; (Ref. 559)
Oviparous, with possibly a single egg laid 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).
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 2024-2)
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): 2.6 - 5.7, mean 4 °C (based on 75 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 (0.00175 - 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): 4.4 ±0.4 se; based on diet studies.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
Nutrients (Ref.
124155): Calcium = 8.24 [1.46, 51.33] mg/100g; Iron = 0.327 [0.070, 1.092] mg/100g; Protein = 17.2 [14.0, 20.3] %; Omega3 = 0.21 [0.09, 0.50] g/100g; Selenium = 7.77 [2.62, 23.92] μg/100g; VitaminA = 16.1 [3.5, 72.9] μg/100g; Zinc = 0.345 [0.160, 0.660] mg/100g (wet weight);
