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In general, relatively little is known about the composites of the venom in freshwater stingrays, but it appears to differ (at least in some species) from that of marine stingrays. [25] There are possibly also significant differences between the venoms of the various Potamotrygonidae species. [26]
The ocellate river stingray (Potamotrygon motoro), also known as the peacock-eye stingray or black river stingray, is a species of freshwater stingray in the family Potamotrygonidae. It was the first species to be described in the family and is also the most widespread, ranging throughout much of the Río de la Plata , Amazon , Mearim and ...
The giant freshwater stingray (Urogymnus polylepis, also widely known by the junior synonym Himantura chaophraya) is a species of stingray in the family Dasyatidae.It is found in large rivers and estuaries in Southeast Asia and Borneo, though historically it may have been more widely distributed in South and Southeast Asia.
The stinging cells of freshwater stingray branch out beyond the lateral grooves to cover a larger surface area along the entire blade. Due to this large area and an increased number of proteins within the cells, the venom of freshwater stingrays has a greater toxicity than that of marine stingrays. [41]
Black stringrays grow to 13 feet in length, nearly 6 feet in width and can top 440 pounds, according to Fishes of Australia.. Deaths from stingray venom are rare, but the most notable example is ...
Potamotrygon is a genus of freshwater stingrays in the family Potamotrygonidae native to the rivers of South America, [1] and sometimes seen in the aquarium trade. [2] It inhabits rivers of tropical and subtropical climates, especially those of the Amazon basin and is virtually present in all South American countries, except for Chile.
How does it feel to get stabbed in the foot by a stingray? “Pretty awful,” one expert says. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
Stingrays have 'complex' venom. Stingrays are shy and gentle, but they have long, thin tails equipped with up to three barbed, venomous spinal blades, which they use in self-defense when they feel ...