Elasmobranchi (squali e razze) (sharks and rays) >
Myliobatiformes (Stingrays) >
Zanobatidae (Panrays)
Eponymy: Dr Johann Lukas Schönlein (1793–1864) was a German naturalist and professor of medicine. [...] (Ref. 128868), visit book page.
More on authors: Müller & Henle.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino demersale; distribuzione batimetrica ? - 100 m (Ref. 27000), usually 10 - 15 m (Ref. 114953). Tropical; 31°N - 18°S, 19°W - 14°E (Ref. 114953)
Eastern Central Atlantic: Morocco to Angola.
Lunghezza alla prima maturità / Dimensione / Peso / Età
Maturità: Lm 38.5, range 37 - 40 cm
Max length : 100.0 cm TL maschio/sesso non determinato; (Ref. 6513); common length : 40.0 cm TL maschio/sesso non determinato; (Ref. 114953); common length :50 cm TL (female); peso massimo pubblicato: 1.4 kg (Ref. 114953)
Occurs in shallow coastal waters to moderate depth, over sandy and sandy-muddy bottoms. Feeds on mollusks and other benthic invertebrates, mainly shrimps (Ref. 6513, 114953). Ovoviviparous (Ref. 5377). Females mature at 37-40 cm TL, males ca. 30 cm TL; born at ca. 19 cm TL. Litters of 1-4 pups after short gestation; born at ca. 19 cm TL (Ref. 114953).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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. Platyrhinidae. p. 28. 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. 6513)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 15.6 - 20.9, mean 19.2 °C (based on 19 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.6 ±0.44 se; based on food items.
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Fec assumed to be <100).
Vulnerabilità della pesca (Ref.
59153): High vulnerability (60 of 100).
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