Kelp forests shelter hundreds of marine species and rival rainforests in ecological importance, yet they can collapse within a single year. The creature responsible for their survival is smaller than ...

Sea otters survive largely on marine invertebrates such as sea urchins, crabs, clams, mussels and snails. Getting to that ...

Sea otters are North America’s smallest marine mammal, weighing just 30 to 100 pounds, but their appetites are huge. They burn calories at three times the rate expected for their size, chomping on ...

FUKUOKA--Only three sea otters remain at aquariums in Japan, and they are now treated like rock stars because of their ...

Monika Rohrer, a volunteer with the Marine Mammal Physiology Project, works with Morgan the otter. Rohrer was a lead volunteer in Olive’s rehabilitation. (Photo by Carolyn Lagattuta) The young sea ...

The return of a charismatic marine mammal revived vital kelp forests, but created a new problem for a certain endangered animal.

Over 100 years ago, sea otters disappeared from Oregon as a result of the fur trade. Now, a group of conservation organizations has launched research with the goal of eventually bringing sea otters ...

Once hunted to extinction for their pelts, sea otters gradually returned to the Californian coastlines. Their comeback ...

CLEARWATER, Fla. (BLOOM) — The Clearwater Marine Aquarium is excited to welcome Opie, a charming North American river otter, to its Otter Oasis exhibit, joining veteran otters Walle and Boomer. After ...

New research led by Monterey Bay Aquarium reveals a surprising ripple effect in coastal ecosystems: the collapse of one marine predator can benefit another. "Our research shows that the loss of a ...