Showing posts with label swimming. Show all posts
Showing posts with label swimming. Show all posts

Wednesday, September 26, 2007

orca


The male orca's dorsal fin is bigger then a females dorsal fin. There are 20 to 26 conical teeth in each jaw. Each tooth curves backward and inward they are used to tear it's prey in small chunks. They hunt alone or in groups. They can kill things as large as blue whale calves. They are found through every ocean in the world. The orca has the largest distribution of any whale. Coastal and cool waters are its preferred habitat. They live for about 30 years. They have about one baby. Their mating season is December to June in the southern hemisphere May to July in the northern hemisphere. It is one of the most dangerous sea animals. Their gestation period is 15 to 17 months. They eat fish, squid, seals, sea lions and other whales including minke and grey whale.

Saturday, September 15, 2007

tiger shark


Tiger sharks have teeth curved to the side with serrated edges. New teeth grow all the time to replace those that have been worn or damaged.The tiger shark is one of the most dangerous sharks in the world. The sharks lifespan is 40 to 50 years. They have normally 10 to 40 young. Sometimes even 80 young! They eat fish, seabirds, sea mammals and sea turtles.They are found along the coastlines of tropical oceans, especially around coral reefs on occasion , has been spotted as far north as Greenland.