Elasmobranchii (haaien en roggen) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Rhinidae (Wedgefishes)
Etymology: Rhynchobatus: Greek, rhingchos = snout + Greek, batis, -idos = a sting ray (Raja sp.) (Ref. 45335).
Eponymy: Hans Julius Lübbert (1870–1951) studied politics and law at universities in Kiel and Rome, but caught severe malaria and had to change course. [...] (Ref. 128868), visit book page.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien demersaal; diepte 0 - 35 m (Ref. 106604), usually ? - 35 m (Ref. 27000). Tropical; 28°N - 5°S, 20°W - 10°E (Ref. 114953)
Eastern Atlantic: Congo to Mauritania.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 300 cm TL mannelijk / geslacht onbekend; (Ref. 2683); common length : 150 cm TL mannelijk / geslacht onbekend; (Ref. 26999)
Benthic (Ref. 114953). Occurs in shallow coastal waters, more or less stationary. Ovoviviparous (Ref. 50449). Adults feed mainly on small bony fishes and invertebrates. Females have litters of 2-5 pups. Maturity size unknown but born at 79-85 cm TL (Ref. 114953).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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).
Reiner, F., 1996. Catálogo dos peixes do arquipélago de Cabo Verde. Publ. Avuls. Inst. Port. Invest. Mar. 2:339 p. (Ref. 27000)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 23.2 - 28, mean 26.5 °C (based on 100 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5024 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00163 - 0.00845), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.5 ±0.80 se; based on food items.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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