Ikan bertulang rawan (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Beringraja: Named for the Bering Sea, though to be the origin of the two species in this genus.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); oceanodromus (Ref. 51243); kisaran kedalaman 5 - 120 m (Ref. 58497), usually 5 - 30 m (Ref. 114953). Temperate; 28°N - 50°N, 119°E - 150°E (Ref. 114953)
Northwest Pacific: Japan, Sea of Okhotsk and the East China Sea.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 115 cm TL jantan/; (Ref. 114953)
Commonly found near coast. Demersal on inner continental shelf. Feeds mainly on fishes, crustaceans and cephalopods (Ref. 114953). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 14.5-16.0 cm long and 7.0-7.5 cm wide (Ref. 41249, 41253, 41298). Males reaches maturity at ca. 47 cm TL, females at ca. 69 cm TL; young hatch at 9-10 cm TL (Ref. 114953).
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00288 (0.00161 - 0.00516), b=3.26 (3.11 - 3.41), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
4.4 ±0.7 se; based on diet studies. |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec assumed to be <100). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High to very high vulnerability (65 of 100). 🛈 |