Hammerhead sharks tend to live for 20 to 30 years in the wild. While their migratory patterns have made tracking their feeding and breeding habits difficult in the past, GPS has helped marine biologists better monitor th... More »

Sharks tend to live between 20 and 30 years, but the number and diversity of shark species makes it difficult to give a definitive answer on sharks as a whole. Notably, Spiny Dogfish and Whale Sharks can live to be over ... More »

Whale sharks breed by internal insemination of a female by a male. The young are born alive and take about 30 years to reach sexual maturity. Whale sharks are believed to live 70 to 100 years. More »

Hammerhead sharks are carnivorous and eat a variety of fish, although stingrays are the preferred prey. Hammerhead sharks take advantage of their wide, flat heads to pin down stingrays and other bottom dwelling fish befo... More »

www.reference.com Pets & Animals Marine Life Sharks

Male bull sharks live an average of 12 years in the wild, and females live an average of 16 years. They reach up to 11.5 feet and weigh between 200 to 500 pounds. Bull sharks are capable of breeding in both freshwater an... More »

www.reference.com Pets & Animals Marine Life Sharks

Great white sharks have a lifespan of 30 to over 100 years. At the very beginning, two to 12 baby sharks, or pups, grow inside their mother for a full year before she gives birth. Great whites can be found in all major o... More »

Over the years, experts have been trying to determine exactly why great white sharks attack humans. Three of the main theories include the investigatory theory, mistaken identity theory and social-defensive theory. More »