Dolphins
Essay by 24 • May 17, 2011 • 540 Words (3 Pages) • 1,127 Views
. What does the dolphin look like?
o Like a whale but with smaller flukes
o Has a dorsal fin on the top of its body
o Has a pair of wide, flat pectoral flippers on its underside which it uses to swim
o Has a blowhole at the top of its head
o Has a beak (nose) that sticks out and is rounded at the end
o The line of its jaw (mouth) curves upward making it look like the dolphin is smiling
o Has sharp, conical-shaped teeth which it uses to grasp food
o The Bottlenose dolphin's body is blue-gray or gray-brown and its skin feels smooth like a rubber inner tube
o Its belly (stomach) is off-white or light gray
o It is about 12-15 feet long as an adult
2. What does a dolphin need to live (habitat, diet, protection from predators, pods)?
o Has excellent vision in and out of the water
o Lives in temperate (warm) or tropical waters like the Pacific Ocean, the Atlantic Ocean, and the Mediterranean Sea
o Some live in coastal waters and others live further offshore in deeper, cooler waters
o May travel in pods on a seasonal basis to reach warmer water temperatures
o Eats different kinds of fish, squid, and shrimp
o Does not chew fish, but swallows them whole; a dolphin may use its flukes to stun larger fish before swallowing them
o Dolphins are mammals and breathe air just as humans do, so they must come to the surface of the ocean to breathe
o Dolphins sleep about 8 hours a day by shutting down half of their brain and alternating sides so they can come to the surface to breathe as they slowly swim along
o A thick layer of blubber just underneath the skin serves as insulation keeping the dolphin warm in the ocean depths
o The dolphin's body is designed to allow it to dive for 8-10 minutes before coming up for air
o The dolphin's predators are some types of sharks, orcas, and also
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