3. The stingrays are a family—Dasyatidae—of rays, cartilaginous fishes related to sharks. They are common in coastal tropical marine waters throughout the world, and several species are known to enter fresh water.
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6. The stingrays are a family—Dasyatidae—of rays, cartilaginous fishes related to sharks. They are common in coastal tropical marine waters throughout the world, and several species are known to enter fresh water