Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut; payau dasar (demersal). Tropical
Eastern Atlantic Ocean: Nigeria (Old Calabar), Benin, Gulf of Guinea (Ref. 4438).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 320 cm TL jantan/; (Ref. 4438)
Diagnosis: A large stingray entirely covered by discrete prickles, but without tubercles (Ref. 81259).
Body shape (shape guide): other.
A coastal species (Ref. 4438), that would be capable of migrating into freshwaters (Ref. 81259). Ovoviviparous (Ref. 50449).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205).
Capapé, C. and M. Desoutter, 1990. Dasyatidae. p. 59-63. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4438)
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 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00447 (0.00189 - 0.01053), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.7 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Assuming fecundity<100). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Very high vulnerability (77 of 100). 🛈 |