أشلاق (القروش و الشفانين) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Proscylliidae (Finback catsharks)
Etymology: Proscyllium: pro (L.), in front of, probably referring to far forward placement of dorsal fin compared with Scyllium (=Scyliorhinus, Scyliorhinidae). (See ETYFish); venustum: Latin for beautiful, probably referring to its spotted color pattern, as reflected in its local Japanese name Hyozame, meaning Leopard Shark [treated as a junior synonym of P. habereri by some workers]. (See ETYFish).
More on author: Tanaka.
Issue
Weigmann (2016; Ref. 106604) considered the species as valid (citing literature and pers. comm., p29), while as a synonym of Proscyllium habereri Hilgendorf, 1904 in ECoF. Considered here as a provisionally accepted species until further evidence.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 50 - 100 m (Ref. 41299). Temperate
Northwest Pacific: Japan.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm TL ذكر/ مختلط الجنس; (Ref. 41299)
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Nakabo, T., 2002. Fishes of Japan with pictorial keys to the species, English edition I. Tokai University Press, Japan, pp v-866. (Ref. 41299)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 16.8 - 24.3, mean 22 °C (based on 41 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6328 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.1 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
