Elasmobranchii (Haie und Rochen) (sharks and rays) >
Myliobatiformes (Stingrays) >
Rhinopteridae (Cownose rays)
Etymology: Rhinoptera: Greek, rhinos = nose + Greek,pteron = fin, wing (Ref. 45335).
Eponymy: Franz Steindachner (1834–1919) was an Austrian zoologist who specialised in herpetology and ichthyology. [...] (Ref. 128868), visit book page.
More on authors: Evermann & Jenkins.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; ozeanodrom (Ref. 51243); tiefenbereich 0 - 65 m (Ref. 117244), usually 0 - 25 m. Tropical; 32°N - 5°S, 117°W - 76°W
Eastern Pacific: Gulf of California to Costa Rica and the Galapagos Islands. Probably occurring elsewhere.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 71.0, range 65 - ? cm
Max length : 91.6 cm WD Männchen/unbestimmt; (Ref. 116975)
Adults are found over soft bottoms, near rocky or coral reefs; also near reef drop-offs (Ref. 12951). They occasionally swim near the surface and may jump out of the water. Often in schools, sometimes associated with Aetobatus narinari, the spotted eagle ray (Ref. 12951). Adults feed on benthic crustaceans and mollusks. Ovoviviparous (Ref. 50449).
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).
McEachran, J.D. and G. Notarbartolo di Sciara, 1995. Rhinopteridae. Gavilanes. p. 782-783. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para los Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9263)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell; Aquarium: Öffentliche Aquarien
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 19.7 - 29.1, mean 24.2 °C (based on 266 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00468 - 0.02819), b=2.98 (2.76 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.6 ±0.50 se; based on food items.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Widerstandsfähigkeit (Ref.
120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (k = 0.25; tmax = 10.75; tm = 3.92; Fec = 1).
Anfälligkeit der Fischerei (Ref.
59153): Moderate to high vulnerability (50 of 100).
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Nährstoffe (Ref.
124155): Calcium = 7.27 [0.83, 109.36] mg/100g; Iron = 0.396 [0.033, 4.161] mg/100g; Protein = 20.6 [15.3, 25.9] %; Omega3 = 0.0736 [, ] g/100g; Selenium = 29 [6, 147] μg/100g; VitaminA = 30.9 [2.6, 334.1] μg/100g; Zinc = 0.769 [0.049, 8.696] mg/100g (wet weight);