Human Interaction
Risso's dolphins generally do not approach boats, but occasionally surf bow waves. A remarkable exception was an individual named Pelorus Jack who accompanied boats in Admiralty Bay in New Zealand's Marlborough Sounds for more than 20 years. Hunting of this species has never been particularly widespread though complete pods are often netted and killed in Taiji, Japan. However, the species is recognised as abundant and safe.
Risso's have successfully been taken into captivity in the United States and Japan, although not with the regularity of bottlenose dolphins or orca. Hybrid Risso's-bottlenose dolphins have been bred in captivity.
Under the name "grampus", it was one of the royal fish which were traditionally the property of the English Crown.
Read more about this topic: Risso's Dolphin
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