Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal, usually 20 - 80 m (Ref. 114953). Subtropical; 20°N - 35°N, 115°E - 125°E (Ref. 114953)
Northwest Pacific: China to Japan, including Taiwan.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 68.0 cm TL mâle / non sexé; (Ref. 114953); âge max. reporté: 15 années (Ref. 126841)
Commonly found on inner continental shelf. Biology poorly known (Ref. 114953).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Eschmeyer, W.N. (ed.), 2006. Catalog of fishes. Updated database version of April 2006. Catalog databases as made available to FishBase in April 2006. (Ref. 56787)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00133 - 0.00596), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.5 ±0.80 se; based on food items.
Generation time: 10.7 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary low fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (47 of 100).