(كوسه ها و سپرماهيان) (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
بوم شناسي
دريايي نزديك كف زي, usually 20 - 80 m (Ref. 114953). Subtropical; 20°N - 35°N, 115°E - 125°E (Ref. 114953)
Northwest Pacific: China to Japan, including Taiwan.
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 68.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 114953); بيشينه سن گزارش شده: 15 سال ها (Ref. 126841)
Commonly found on inner continental shelf. Biology poorly known (Ref. 114953).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
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 (0.00131 - 0.00604), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (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.
جهندگی (Ref.
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Preliminary low fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (47 of 100).