spiny dogfish

noun
any of several dogfish sharks of the genus Squalus, having a spine in front of each of the two dorsal fins, especially S. acanthias, inhabiting Atlantic coastal waters.

Origin:
1840–50

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Example sentences
Scientists also focus on the reproduction, age and growth of the sleeper of the spiny dogfish.
We successfully conducted an extensive stress and survival study on spiny dogfish.
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