MYSTIC, Conn. (WFSB) - One of Mystic Aquarium’s fan favorites has died. Eden, the Steller sea lion, has passed away from natural causes at the age of 25.

Sea lion Ronan first made the news in 2013, when researchers revealed that she could bob her head to a beat. Twelve years later, Ronan still has rhythm.

Sea lions in Longview pose problems for Columbia River fishermen, risking the future of salmon and steelhead, and leading to animal control legislation.

An aggressive sea lion sent surfers running this week after it repeatedly went after them, even coming onto the beach, video of the incident showed.

Working closely with treaty tribes at Bonneville Dam, Washington and Oregon wildlife agencies have removed 98 Steller sea lions and 84 California sea lions.

Algae blooms can be dangerous, as they often release substances poisonous to humans and other animals. But recently in California, *** toxic bloom is affecting large numbers of sea lions, and it's ...

Sea lions on the California coast are displaying strange behavior likely due to a harmful algae bloom impacting the region, according to marine researchers.

Someone cut off the head of a sea lion in Northern California and rode off with it in a bag. Authorities are now offering $20,000 for information that helps find the perpetrator.

A man was arrested after he was accused of attacking a sick sea lion with a stick, California police say. As officers monitored the Ventura Beach promenade using remote cameras, they saw a man hit ...