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Essay / The sound of bottlenose dolphins jumping and swimming around their tank excites a SeaWorld family as they wait to experience their first dolphin encounter. Every year, bottlenose dolphins bring joy to hundreds of people, in captivity and in the wild, but how much do people really know about them? Bottlenose dolphins are actually unique and interesting creatures. Bottlenose dolphins are one of thirty-two species of marine dolphins (World Book 297). Their scientific name is Tursiops Truncatus. Males are generally longer and heavier than females. Bottlenose dolphins can grow up to 13 feet long and weigh up to 600 pounds (bottlenose dolphins). This makes bottlenose dolphins the largest of the beaked dolphins (Dolphin Research Center). Bottlenose dolphins have smooth, rubbery skin, without sweat glands or hair. Their epidermis is ten to twenty times thicker than that of other mammals. It can be replaced every two hours, nine times faster than human skin. The shedding of their skin helps reduce drag when they swim. The skin is dark gray on the back and becomes white or pink on the belly. This coloring is called countershading. From above, the dolphins blend into the dark water below, and from below, they blend into the sunlight. Countershading helps dolphins hide from predators and prey (bottlenose dolphins). Bottlenose dolphins are piscivores or fish eaters. They have eighty-eight to one hundred small, sharp teeth for gripping squid and slippery fish (Parker and Burton) (Dolphin Research Center). When catching fish, dolphins usually gather a school of fish together and then rush through the school one by one to feed. It has been observed where 200 bo...... middle of paper ......y friendly towards humans. Some wild dolphins even enter and interact with bays (Dolphin Research Center). Dolphins also like to have fun. In captivity, they enjoy teasing each other and humans around their aquariums (Lockley 48). In the wild, dolphins like to ride ocean waves or the wake of the stern or bow of a boat (bottlenose dolphins). They sometimes throw jellyfish and algae at each other and use plastic, algae, or other objects as "dolphin jewelry" on their fins, beaks, and necks (Cahill 93). Bottlenose dolphins are truly intriguing and individual animals. It's hard to believe that some people actually hunt them. Beloved and admired by many, they should be protected both in captivity and in the wild. Bottlenose dolphins have been entertaining people for over eighty years and hopefully they will continue to do so for many years to come..
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