Elasmobranchii (Haie und Rochen) (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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser demersal; tiefenbereich ? - 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.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 38.5, range 37 - 40 cm
Max length : 100.0 cm TL Männchen/unbestimmt; (Ref. 6513); common length : 40.0 cm TL Männchen/unbestimmt; (Ref. 114953); common length :50 cm TL (female); max. veröff. Gewicht: 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).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 15.6 - 20.9, mean 19.2 °C (based on 19 cells).
Phylogenetischer Diversitätsindex (Ref.
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).
Trophische Ebene (Ref.
69278): 3.6 ±0.44 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Fec assumed to be <100).
Anfälligkeit der Fischerei (Ref.
59153): High vulnerability (60 of 100).
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