WebHeliotrygon rosai, the Rosa's round ray, is a species of freshwater fish in the family Potamotrygonidae. It is native to the Amazon basin in South America.[1] Its maximum disc width is 80 cm and the stinger is greatly reduced, rendering it virtually harmless.[1] It has not been evaluated by the IUCN red list.[2] WebHeliotrygon gomesi diagnosis. Diagnosis. A species of Heliotrygon diagnosed by its unique dorsal color pattern, composed of a uniform gray to light tan or brown color, …

Heliotrygon rosai - Wikiwand

WebHeliotrygon rosai : Publication(s): Author(s)/Editor(s): Carvalho, Marcel R. De, and Nathan R. Lovejoy : Publication Date: 2011 : Article/Chapter Title: Morphology and phylogenetic … WebHeliotrygon rosai is tentatively further separated from H. gomesi by presenting a slightly more slender tail width at base (5.5% DW in holotype of H. rosai vs. 4.5% DW in … don the fat bee man website

Heliotrygon - Wikispecies - Wikimedia

Web,/) Vista al Mar Peñíscola - Divulgación del Mar y los Océanos (especies marinas, biodiversidad, ecología, gastronomía, turismo...) y fotos de Peñiscola - Mar WebJul 27, 2024 · The genus Plesiotrygon, described by Rosa et al. (1987), remained monotypic for more than two decades until de Carvalho & Ragno (2011) described Plesiotrygon nana. Likewise, the genus Paratrygon remained monotypic for > 100 years, until the recent description of two species from the Orinoco basin ( Loboda et al., 2024 ). WebMar 11, 2011 · Resembling a pancake more than a fish, the freshwater stingray Heliotrygon rosai (pictured) is one of two new species identified in the Amazon, a new study says. … don the don