Élasmobranches (requins et raies) (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
Écologie
marin démersal. Tropical; 21°N - 8°N
Eastern Central Pacific: off central and southern Mexico; also known from Costa Rica.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL mâle / non sexé; (Ref. 91172); common length : 15.0 cm TL mâle / non sexé; (Ref. 9265)
Benthic over soft bottoms. Venomous spine on tail.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Venomous
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 23.4 - 29, mean 27.8 °C (based on 44 cells).
Phylogenetic diversity index (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).
Niveau trophique (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).