Stingrays are cartilaginous fishes, meaning they have soft cartilage instead of bones. In this respect they are related to sharks. These fishes live in tropical water, but some species live in fresh water. Stingrays swim by using their pectoral wings as propels. Their stingers are either serrated or barbed, either way they are very sharp. The eyes of the stingray are on the top of the head, for this reason these fishes cannot see very well. Just like sharks the stingray smells their prey very well.
Interesting facts about stingrays is that they are carnivore (meat eaters). They can live up to 15 to 25 years, and weigh up to 790 lbs.
animals.nationalgeographic.com
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