Ikan bertulang rawan (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal), usually 20 - 80 m (Ref. 114953). Subtropical; 20°N - 35°N, 115°E - 125°E (Ref. 114953)
Northwest Pacific: China to Japan, including Taiwan.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 68.0 cm TL jantan/; (Ref. 114953); Umur maksimum dilaporkan: 15 Tahun (Ref. 126841)
Commonly found on inner continental shelf. Biology poorly known (Ref. 114953).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Eschmeyer, W.N. (ed.), 2006. Catalog of fishes. Updated database version of April 2006. Database dump. Catalog databases as made available to FishBase in April 2006. (Ref. 56787)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
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a=0.00288 (0.00136 - 0.00610), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
4.5 ±0.80 se; based on food items. |
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Generation time |
10.7 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Preliminary low fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |