Great white shark: Researchers have found that fewer great whites are in the Pacific ocean than previously believed. Other shark species from around the world have also suffered steep population declines like the great white shark's in recent years.
A teen was pulled under and killed in a shark attack on the California coast, Friday. His best friend witnessed the attack while by his side in the water only 2 feet away.
Shark! A large fin was spotted in the waters off of Horseneck Beach in Massachusetts, prompting officials to close the beach. The city of Westport joined Chatham in recent shark sightings in the Bay State.
Shark Week celebrates its 23rd anniversary this Sunday. The Discovery Channel's Shark Week starts with the "Ultimate Air Jaws" premiere at 9 PM.
Cape Cod great white shark sightings have prompted officials to close five miles of a Cape Cod beach.
In this photo from Walt Disney Studios, a great white shark is seen leaping out of the water.
BREACHING WHALE: Whales' surface behaviors consist of lunging, porpoising, spyhopping, lobtailing, and breaching, among others. When a whale breaches, at least 40 percent of its body comes out of the water, making it momentarily airborne. Right, Humpback, and Sperm whales breach the most. A 40 ton whale seen here crashed into a South African couple's yacht on July 18.
40 ton whale took out the sailboat's mast, but the couple on board were able to use a motor to get back to port.
CHINESE GIANT SALAMANDER: This January 2008 photo shows a Chinese giant salamander from the Zoological Society of London. These amphibians can reach nearly 6 feet long and are critically endangered due to habitat loss, poaching, and pollution. The salamander is also considered a Chinese delicacy.
Great white shark was caught 20 miles off of the Massachusetts coast. State officials caught the shark and after a 15-minute battle, they were able to tag it.