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Rhinopristiformes (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335).
Eponymy: Dr Frederick Robert Irvine (1898–1962) was a botanist and science teacher who made a collection of fishes near Accra, Gold Coast (Ghana). [...] (Ref. 128868), visit book page.
More on author: Norman.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman ? - 30 m (Ref. 114953). Tropical; 29°N - 17°S, 19°W - 13°E (Ref. 114953)
Eastern Atlantic: Morocco to southern Angola, a record from Namibia needs confirmation.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 100.0 cm TL jantan/; (Ref. 6497); common length : 65.0 cm TL jantan/; (Ref. 6497)
More or less stationary in inshore coastal waters to moderate depth. Feeds on benthic invertebrates, mainly crustaceans. Common length is 60-66 cm TL. Males mature at ca. 42 cm TL (Ref. 114953). Ovoviviparous. Produces small litters of 1-3 pups (Ref. 114953).
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).
Stehmann, M., 1990. Rhinobatidae. p. 23-27. 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. 6497)
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
Suhu yang disukai (Acuan
123201): 25.1 - 28, mean 27.3 °C (based on 202 cells).
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00150 - 0.00581), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec assumed to be <100).
Kerentanan Penangkapan Ikan (Ref.
59153): High vulnerability (60 of 100).
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