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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). Although stingray teeth are rare on sea bottoms compared to the similar shark teeth, scuba divers searching for the latter do encounter the teeth of stingrays. [6] [8]
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 short-tail stingray or smooth stingray (Bathytoshia brevicaudata) is a common species of stingray in the family Dasyatidae. It occurs off southern Africa , typically offshore at a depth of 180–480 m (590–1,570 ft), and off southern Australia and New Zealand , from the intertidal zone to a depth of 156 m (512 ft).
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 widest ...
The Atlantic stingray (Hypanus sabinus) is a species of stingray in the family Dasyatidae, ... It is the outgroup to a large clade that contains, amongst others, ...
Stingrays can vary vastly in size ranging from several inches to several feet in length and weigh hundreds of pounds. ... about 1,500-2,000 stingray injuries are reported in the US,” the ...
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 ]
A stingray in Hendersonville is about to give birth through parthenogenesis, according to expert, who says it's impossible for shark to mate with ray. ... 511 N. Main St., it's always big news and ...