description Thornback Ray Overview
The thornback ray (Raja clavata) is a species of skate found across the eastern Atlantic Ocean, from Iceland and Norway down to South Africa, as well as in the Mediterranean and Black Seas. It is named for the rows of prominent, thornlike spines covering its dorsal surface and tail. The species typically inhabits coastal waters and feeds primarily on small crustaceans and fish. It is commonly encountered by commercial and recreational fisheries.
insights Ranking position
Thornback Ray ranks #52 of 160 in the Ray ranking, behind Ray-Ban Clubmaster Metal, ahead of Undulate Ray.
help Thornback Ray FAQ
Why is the thornback ray called a ray when it is biologically a skate?
Raja clavata belongs to the skate family Rajidae, despite its common English name. Unlike many true rays, it lays rectangular egg cases often called mermaid's purses.
Are the thorns on a thornback ray dangerous to people?
The enlarged spines along its back and tail can puncture skin if the animal is handled carelessly. They are protective structures, not the venomous tail sting found in stingrays.
Where are thornback rays commonly found?
The species ranges through the eastern Atlantic and occurs in the Mediterranean and Black Seas. It usually lives on or near sandy, muddy, or gravel seabeds where its mottled upper surface provides camouflage.
What do thornback rays eat?
They feed mainly on bottom-dwelling animals such as crabs, shrimp, and small fish. Their flattened bodies and ventral mouths are adapted for finding prey on the seabed.
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