Animals were used in entertainment before Shamu became the headliner of Sea World. Ancient Romans threw innocent people and animals into a Colosseum just to entertain the spectators in the stands. People have been paying to see animals do tricks for two thousand years. Marine animals are often captured or rescued from the wild under conservation conditions, but trained through punishment rather than positive reinforcement to perform in themed shows to increase attendance at marine parks, primarily for profit . Animals that travel in circuses are often trained by refusing to eat or hitting them with whips and hooks. Worst of all, there are so few government regulations and laws to prevent the abuse of animals for profit. While it is normal to see circuses, local zoos, and animal theme parks offering forms of entertainment involving the collaboration of humans and the animals they have rescued, visitors to these places should reconsider visiting in these establishments because the animals are forced to learn unnatural acts, mistreated during their activities. the training process and forced to live outside their natural habitat. On February 24, 2010, an orca attacked and drowned its trainer during a training session. Media outlets published articles explaining that this was not the first incident caused by this particular orca. The public was outraged and demanded the removal of this killer whale and its return to the wild. The truth is that once a marine animal such as killer whales and dolphins is removed from the wild, they lose the ability to use their sonar. As Jean-Michael Crousteau in an interview with Tyler Hayden “When you take a wild cetacean and put it in an aquarium, its acoustic system is suddenly ruined. Its sonar reverb... middle of paper ...... broadcasts, live sporting events and regular amusement parks that people can attend and watch. Get involved in local programs and events to learn how to help animals currently trapped for entertainment purposes. Works cited “Aquariums and marine parks”. PETA. Np, and Web. November 27, 2011. .“Circus”. PETA. Np, and Web. November 27, 2011. Cousteau, Jean Michael. “Cousteau on the Sea World tragedy.” Interview with Tyler Hayden. Independent. Np, February 27, 2010. Web. November 30, 2011. .Regan, Tom and Jeffrey Moussaieff Masson. Empty cages: Meeting the animal rights challenge. Lanham: Rowman & Littlefield Publishers, Inc., 2004. Print.