Elasmobranchii (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
Ecology
Marine; demersal. Tropical; 21°N - 8°N
Eastern Central Pacific: off central and southern Mexico; also known from Costa Rica.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL male/unsexed; (Ref. 91172); common length : 15.0 cm TL male/unsexed; (Ref. 9265)
Benthic over soft bottoms. Venomous spine on tail.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Venomous
Human uses
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