Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman 2 - 400 m (Ref. 4430), usually ? - 70 m (Ref. 27000). Deep-water; 48°N - 18°S, 19°W - 38°E (Ref. 114953)
Eastern Atlantic: southern Bay of Biscay and throughout the Mediterranean to Angola. Most common in tropical waters.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 60.0 cm TL jantan/; (Ref. 13417); 41.0 cm TL (female); common length : 30.0 cm TL jantan/; (Ref. 13417); common length :39 cm TL (female)
Found on soft bottoms, usually inshore but occasionally deeper. Feeds on small fishes and also benthic invertebrates. Ovoviviparous, with 3-21 in a litter (Ref. 12951, Ref. 114953). Size at birth 9 cm (Ref. 12951). Capable of inflicting a severe shock of up to 200 volts.
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).
Bauchot, M.-L., 1987. Raies et autres batoides. p. 845-886. In W. Fischer, M.L. Bauchot and M. Schneider (eds.) Fiches FAO d'identificationpour les besoins de la pêche. (rev. 1). Mèditerranée et mer Noire. Zone de pêche 37. Vol. II. Commission des Communautés Européennes and FAO, Rome. (Ref. 3261)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
penggunaan manusia
Perikanan: tidak ada kepentingan; Akuarium: Akuarium publik
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]. |
|
Bayesian length-weight
|
a=0.01549 (0.01193 - 0.02011), b=2.95 (2.88 - 3.02), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
4.5 ±0.0 se; based on diet studies. |
|
Generation time |
10.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (K=0.11). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High to very high vulnerability (65 of 100). 🛈 |
Nutrisi (Ref. 124155) |
Calcium = 9.24 [1.57, 48.04] mg/100g; Iron = 0.362 [0.085, 1.136] mg/100g; Protein = 17.3 [12.8, 20.6] %; Omega3 = 0.419 [0.157, 0.972] g/100g; Selenium = 9.34 [2.94, 27.66] μg/100g; VitaminA = 20 [4, 94] μg/100g; Zinc = 0.311 [0.151, 0.581] mg/100g (wet weight); |