Are thornback rays poisonous. The thornback ray is usually found on sedimentary seabeds such as mud, sand or gravel at depths between 10-60m. The thornback ray, named for the spines covering its back, looks more like a prehistoric relic than a modern sea creature. The Thornback Ray is not a targeted species, but is a bycatch component in commercial and recreational fisheries in United States and in Mexican waters. This eggcase has lateral keels and horns that extend for about half the length of the capsule. . See full list on a-z-animals. Feb 18, 2021 ยท Try fishing at night on almost any southern California pier (and a few in central California), use a light pole, and bring a good light so that you can distinguish this non-harmful ray from the more dangerous round stingrays. Juvenile fish feed on small crustaceans, particularly amphipods and bottom-living shrimps; adults feed on crabs, shrimps and small fish. The purse fills an adult’s palm. Thornback Ray eggcases are frequently washed up on beaches around Ireland and Britain. The thornback ray is usually found on sedimentary seabeds such as mud, sand or gravel at depths between 10–60 m. com The thornback ray is probably one of the most common rays encountered by divers. Found in European and North African waters, its tail spine is venomous and capable of causing severe pain and localized swelling. If you find one of these eggcases on the seashore, please do report it to your local shark and ray sightings scheme. pdcpkra mhmg geewdqznl qmma tet hctb utbu shum myvtj xsmcw