Elasmobranchii (haaien en roggen) (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
Ecologie
marien bathydemersaal. Deep-water; 34°N - 7°N
Northwest Pacific: China (Ref. 47946), Japan (Ref. 244) and the Kyushu-Palau Ridge (Ref. 559).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 54.0, range 53 - 55 cm
Max length : 70.0 cm TL mannelijk / geslacht onbekend; (Ref. 559)
Oviparous, with possibly a single egg laid per oviduct.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 2.6 - 5.7, mean 4 °C (based on 75 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 4.4 ±0.4 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (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);
