Stingray teeth are flattened and made of modified placoid scales (also called dermal denticles). These are the same type of scales found on a shark’s body.  Do Stingrays Replace Teeth? Like ...

Some types of stingrays have sharp spines in the tail. A stingray will use its hard, barbed tail to attack. The small spines contain venom and can penetrate a human’s skin.