Elasmobranchii (Haie und Rochen) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urotrygonidae (American round stingrays)
Etymology: Urobatis: Greek,oura = tail + Greek, batis, batidos = a ray (Raja sp.) (Ref. 45335).
Eponymy: George Morris Haller (1851–1889) was the young son of an American army officer Granville Owen Haller. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser demersal; tiefenbereich 0 - 91 m (Ref. 12951), usually 1 - 21 m (Ref. 96339). Subtropical; 43°N - 7°N, 125°W - 79°W (Ref. 55315)
Eastern Pacific: northern California (USA) to Ecuador.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - 24 cm
Max length : 58.0 cm TL Männchen/unbestimmt; (Ref. 40637); max. veröff. Gewicht: 1.4 kg (Ref. 4699)
Occurs on sand, rubbly or mud bottom off beaches and in bays and sloughs; near seagrasses, usually shallower than 15 m. Adult females profuce 2 litters of up to 6 pups per year (Ref. 2850, 114953), sometimes around rocky reefs (Ref. 12951). Feeds on benthic invertebrates and small fishes.
Male grasps disc margin of female, flips under her, and inserts a clasper. Mating lasts about 5 minutes.
Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Traumatogenic (Ref. 4690)
Nutzung durch Menschen
Fischereien: weniger kommerziell; Sportfisch: ja
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02291 (0.01113 - 0.04716), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.2 ±0.1 se; based on diet studies. |
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Generation time |
18.3 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Widerstandsfähigkeit (Ref. 120179) |
niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.15). |
Anfälligkeit der Fischerei (Ref. 59153) |
High vulnerability (56 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Medium.
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Nährstoffe (Ref. 124155) |
Calcium = 13.1 [1.7, 269.5] mg/100g; Iron = 0.7 [0.1, 8.3] mg/100g; Protein = 20 [15, 25] %; Omega3 = 0.187 [0.058, 0.564] g/100g; Selenium = 21 [4, 100] μg/100g; VitaminA = 8.69 [0.62, 112.29] μg/100g; Zinc = 0.744 [0.051, 8.704] mg/100g (wet weight); |