Thornback meaning

thôrn'băk'
Any of various rays having spines on the back, especially Raja clavata, found in coastal waters of the eastern Atlantic Ocean and the Mediterranean Sea.
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Any of several European rays with many tubercles on the back and a double row of spines on the tail.
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A large European spider crab (Maja squinado) with a spiny back.
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A guitarfish (Platyrhinoidis triseriata) with spines on the back, found in the Pacific.
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Any animal with a thorny back, especially marine animals, such as:
  • The thornback guitarfish (Platyrhinoidis triseriata), a species of ray in the north-eastern Pacific Ocean.
  • The thornback ray or thornback skate (Raja clavata), a species of ray in the Atlantic Ocean.
  • The thornback skate (Dentiraja lemprieri), a fish endemic to Australia.
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Origin of thornback