Ikan bertulang rawan (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
Eponymy: Dr ‘Thomas’ Nelson Annandale (1876–1924) was a zoologist (primarily entomologist and herpetologist) and anthropologist who became Superintendent of the Indian Museum, Calcutta which still houses his insect and spider collection. [...] (Ref. 128868), visit book page.
More on author: Weber.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut batidemersal; kisaran kedalaman 397 - 830 m (Ref. 9908). Deep-water
Western Central Pacific: off eastern Indonesia.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 33.0 cm jantan/; (Ref. 9908)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Oviparous (Ref. 9908). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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))
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 4.0 ±0.62 se; based on food items.
Daya lenting (Acuan
120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec assumed to be <100).
Kerentanan Penangkapan Ikan (Ref.
59153): Moderate to high vulnerability (47 of 100).
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