Hammerhead sharks were once abundant in Mexico's Sea of Cortez, or Gulf of California. Here, we learn how marine biologists are aiming to bring them back.
The White Sharks of Cape Cod - On The Water onthewater.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from onthewater.com Daily Mail and Mail on Sunday newspapers.
The mosquitofish is wreaking havoc on native Australian marine life. In a new study, scientists tried to frighten it with a look-alike of its natural foe.