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Rajiformes (Skates and rays) >
Arhynchobatidae (Skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
Lingkungan / Klimat / Range
Ekologi
; laut dasar (demersal); kisaran kedalaman 81 - 313 m (Ref. 27092). Temperate, preferred ?; 40°S - 56°S, 74°W - 55°W
Southeast Pacific and Southwest Atlantic: Valdivia and Estrecho de Magallanes (Chile) to Argentina and the Falkland Islands.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 64.2 cm TL jantan/; (Ref. 27092)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (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. 115185)
CITES (Ref. 94142)
Not Evaluated
ancaman kepada manusia
Harmless
penggunaan manusia
informasi lanjut
Umur / SaizPertumbuhanpanjang-beratpanjang-panjangukuran frekuensiMorfometrikMorfologiLarvaDinamika larvapemulihanKelimpahan
AcuanBudidaya airprofil budidaya airStrainGenetikaFrekuensi alelDiturunkanPenyakit-penyakitPengolahanMass conversion
mitraGambarStamps, CoinsSuara-suaraCiguateraKecepatanTipe renangArea insangOtolithsOtakPenglihatan / visi
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00243 - 0.00986), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic Level (Ref.
69278): 4.1 ±0.64 se; Based on food items.
Daya lenting (Ref.
69278): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec assumed to be <100).
keancaman (Ref.
59153): High vulnerability (60 of 100) .