Elasmobranchii (haaien en roggen) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urotrygonidae (American round stingrays)
Etymology: Urotrygon: Greek, oura = tail + Greek, trygon = a sting ray (Ref. 45335); nana: Named for its small adult size..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal. Tropical; 21°N - 8°N
Eastern Central Pacific: off central and southern Mexico; also known from Costa Rica.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL mannelijk / geslacht onbekend; (Ref. 91172); common length : 15.0 cm TL mannelijk / geslacht onbekend; (Ref. 9265)
Benthic over soft bottoms. Venomous spine on tail.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
McEachran, J.D., 1995. Urolophidae. Rayas redondas. p. 786-792. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9265)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Venomous
Gebruik door de mens
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Estimates based on models
Preferred temperature (Ref.
123201): 23.4 - 29, mean 27.8 °C (based on 44 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00484 - 0.02068), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).