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).
More on author: Schultz.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal. Tropical
Western Central Atlantic: Gulf of Venezuela.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 17.6  range ? - ? cm
Max length : 29.5 cm TL mâle / non sexé; (Ref. 127655); 36.2 cm TL (female)
Description synthétique
Morphologie | Morphométrie
Prickly back with a median row of slightly larger spines from the nuchal region rearward along disc and anterior part of tail. Wide disc and tail long. Plain greyish above, without markings, cream colored below (Ref. 6902).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Taille/ÂgeCroissanceLongueur-poidsLongueur-longueurFréquences de longueursMorphométrieMorphologieLarvesDynamique des populations larvairesRecrutementAbondanceBRUVS
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Estimates based on models
Preferred temperature (Ref.
123201): 25.4 - 28.4, mean 27 °C (based on 54 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00575 - 0.03468), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (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 to moderate vulnerability (26 of 100).