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Stingray City Facts For over a hundred million years, the stingray has roamed the world's oceans as an almost mythological animal: extraordinarily graceful, yet potentially lethal.
The bizarre Lessiniabatis of Early Eocene Italy. Permineralized stingray teeth have been found in sedimentary deposits around the world as far back as the Early Cretaceous.The oldest known stingray taxon is "Dasyatis" speetonensis from the Hauterivian of England, whose teeth most closely resemble that of the extant sixgill stingray (Hexatrygon).
Hypanus berthalutzae, known as Lutz's stingray, is a species of stingray in the family Dasyatidae first described in 2020. Its typical size is unknown, though the largest known specimen was 68 cm (27 in) wide. [ 1 ]
The southern stingray (Hypanus americanus) is a whiptail stingray found in tropical and subtropical waters of the Western Atlantic Ocean from New Jersey to southern Brazil. [2] It has a flat, diamond-shaped disc, with a mud brown, olive, and grey dorsal surface and white underbelly (ventral surface). [ 3 ]
The Atlantic stingray is capable of tolerating varying salinities and can enter freshwater; it has been reported from the Mississippi River, Lake Pontchartrain, and the St. Johns River in Florida. [8] The stingrays in the St. Johns River system represent the only permanent freshwater elasmobranch population in North America. [3] [9] [10]
The brown whipray (Maculabatis toshi) is a species of stingray in the family Dasyatidae, common in inshore, muddy habitats along the northern coast of Australia.It has often been confused in literature for the honeycomb stingray (H. uarnak) and the black-spotted whipray (H. astra), which until recently was thought to be the same species.
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The pelagic stingray (Pteroplatytrygon violacea) is a species of stingray in the family Dasyatidae, and the sole member of its genus.It is characterized by the wedge-like shape of its pectoral fin disc, which is much wider than long, as well as by the pointed teeth in both sexes, whip-like tail with extremely long tail spine, and uniform violet to blue-green coloration.