Raja Erinacea, commonly known as the hedgehog skate, is a species of fish belonging to the family Rajidae. This fish is native to the Indian and Pacific oceans and has various synonyms used to refer to it. Some of the synonyms for Raja Erinacea include the hedgehog ray, prickly skate, and spiny skate. The fish is named after its distinctive spiny and prickly appearance, which resembles a hedgehog. Raja Erinacea is a bottom-dwelling fish that preys on small invertebrates and fish. It is known for its diamond-shaped body, thorny spine, and its ability to produce poisonous venom. Despite its intimidating appearance, Raja Erinacea is a harmless fish and is often found in aquariums.