About Rays Rays are a type of fish that is very flat and has no bones, only cartilage. Rays are closely related to sharks and live in seas all over the world. Stingrays are rays have spines on their tail which can poison other animals when stung. Some rays have long, whip-like tails, other species have short tails.
Some rays have a series of thorns on their body as a defense against predators.
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