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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 mouth of the stingray is located on the ventral side of the vertebrate. Stingrays exhibit hyostylic jaw suspension, which means that the mandibular arch is only suspended by an articulation with the hyomandibula. This type of suspensions allows for the upper jaw to have high mobility and protrude outward. [11]
The common stingray has a plain coloration and mostly smooth skin. The common stingray has been reported to reach a width of 1.4 m (4.6 ft) and a length of 2.5 m (8.2 ft), though a width of 45 cm (18 in) is more typical. [8] The flattened pectoral fin disc is diamond-shaped and slightly wider than it is long, with narrowly rounded outer corners ...
The estuary stingray (Hemitrygon fluviorum), also called the estuary stingaree or brown stingray, is a species of stingray in the family Dasyatidae. Endemic to eastern Australia, it typically inhabits shallow, mangrove-lined tidal rivers, estuaries, and bays in southern Queensland and New South Wales. This yellow-brown to olive ray grows to at ...
The roughtail stingray is characterized by the angular shape of its disc and the thorns over its body and tail. The roughtail stingray has a diamond-shaped pectoral fin disk 1.2–1.3 times as wide as long, with straight to gently sinuous margins, rather angular outer corners
For over a hundred million years, the stingray has roamed the world's oceans as an almost mythological animal: extraordinarily graceful, yet potentially lethal.
“If you’re coastal, you have to worry about everything from stingrays to alligators, you know. If you’re in South Florida, you gotta think about crocodiles, snakes — of course,” Robb said.
The longnose stingray has a diamond-shaped pectoral fin disc slightly wider than long, with outer corners forming approximately right angles and gently concave anterior margins converging to an obtuse, moderately projecting snout. The mouth is curved with a median projection in the upper jaw that fits into an indentation in the lower jaw.