Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut bentopelagis; oceanodromus (Ref. 131198); kisaran kedalaman ? - 800 m (Ref. 131198), usually ? - 530 m (Ref. 114953). Tropical; 45°N - 4°N, 98°W - 51°W (Ref. 114953)
Western Atlantic: Nova Scotia, mainly eastern USA, rarely south to Venezuela.
Panjang pada saat jatuh tempo pertama / Ukuran / Berat / umur
Kematangan: Lm ?, range 125 - 135 cm
Max length : 154 cm TL jantan/; (Ref. 114953); Berat maksimum terpublikasi: 60.0 kg (Ref. 114953)
Life history unknown. Males reaches maturity at 75-85 cm TL, females at 125-135 cm TL (Ref. 114953).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)
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 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.01479 (0.00668 - 0.03273), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
4.5 ±0.6 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
sangat rendah, Waktu penggandaan populasi minimum lebih dari 14 tahun (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Very high vulnerability (84 of 100). 🛈 |