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What are stingrays?

by Guest3429  |  12 years, 8 month(s) ago

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What are stingrays? - Characterized by their flattened shape and long, spine-bearing tails, stingrays are unique elasmobranchs and cartilaginous cousins of the sharks. Stingrays have pectoral fins that are fused to the sides of their rostrum or "head." External gill openings are located on the stingray's ventral side or "underside."

Stingrays can be found in both freshwater and marine habitats throught the world. Most of the river stingrays of the Family Potamotrygonidae live permanently in freshwater and have lost the ability to survive in marine habitats.

People frequently mistake the two pectoral fins of the cownose rays for a pair of sharks. This mistake is an easy one to make if you are not careful. The two tips of the ray's pectoral fins often break the surface as it is swimming through the water. These fin tips are sometimes confused for the dorsal fins of two sharks.

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  1. Merlyn
    sting rays are incredibly scary. people have especially developed a fear of them after the manner in which the crocodile hunter steve irwin.

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