Hawaii might ban the activity of ming with dolphins. Dolphins have been a for tourists over the decades. However, say tourism harms the dolphins they cannot rest or socialize. The National Marine Fisheries Service (MNFS) wants to stop swimming with, or within 50 metres of, dolphins. That would end tour activities, such as sailing alongside the dolphins and with .
The MNFS said the would not have a big on Hawaii's tourist trade. It said: "We think that by 50 metres as the minimum , there still can be a tourist industry." Tour disagree. One warned: "It would be the end of dolphin swimming. We couldn’t offer the people the interaction that they expect." Dolphins are most at night and sleep and relax during the .