The public display industry keeps many species of marine mammals captive in concrete tanks, especially whales and dolphins. The Humane Society of the United States believes that these animals are best seen in their natural coastal and ocean environments instead of being held captive simply to...

Humans are fascinated by the intelligent and gregarious nature of the dolphin. As one consequence of this fascination, dolphins are commercially exploited in marine parks, aquaria and "swim-with-the-dolphins" (SWTD) attractions worldwide. In the United States, the Department of Commerce's National...