Monterey Bay Aquarium Study: Gaps in kelp cover may threaten the recovery of California sea otters

A new study by Monterey Bay Aquarium researchers indicates that gaps in the kelp canopy may be a contributing factor in the increase in southern sea otter mortality from white shark bites in California. Research suggests sea otters have reached carrying capacity throughout much of the center portion of their California range. Sea otter range […]

Sea Otter Pup Rescued from Storms by Monterey Bay Aquarium Finds Permanent Home at Shedd Aquarium

CHICAGO – A recognized leader in animal care and conservation, Chicago’s Shedd Aquarium announced today that it has welcomed a 10 -week-old orphaned southern sea otter pup (Enhydra lutris nereis) to the aquarium as part of a collaborative partnership with Monterey Bay Aquarium – a leader in the conservation and rescue of the threatened marine […]

Sea otter pup asleep on mom

Study Finds Sea Otter Moms Risk Own Survival to Raise Pups

A new study conducted by researchers from UC Santa Cruz, U.S. Geological Survey and the Monterey Bay Aquarium finds that sea otter moms risk their own survival to raise pups.  Just how hard do otter moms work?  The study, published in the Journal of Experimental Biology, reveals females with 6 month old pups spend up […]


Today We’re Thrilled to Announce the Launch of

Today we’re thrilled to announce the launch of, the world’s first HD live video stream of California sea otters in the wild. Today also marks the 37-year anniversary for the southern sea otter’s official listing as a threatened species under the Endangered Species Act, so it’s a very special day indeed. We’d first like […]

Otter Tracker - sea otters

Introducing “OtterTracker”

Have you ever wondered where sea otters swim along the California coastline throughout the year? Introducing Otter Tracker! Why do scientists capture, tag and track sea otters? Capturing, tagging and tracking sea otters help scientists gain a better understanding of how they live and the contributing factors threatening the recovery of the species.  By surgically implanting […]

Elkhorn Slough Sea Otter Study

Taking a closer look at sea otters in the Elkhorn Slough

With sea otter captures at Elkhorn Slough wrapping up, scientists are excited about successfully capturing 20 sea otters in three days. While asleep under anesthesia, these southern sea otters (Enhydra lutris nereis) underwent physical exams and had their weights and measurements taken. Sample collections of blood and fat were taken for testing to help researchers […]

Sea otter pup asleep on mom

Countdown to Sea Otter Awareness Week – Sept 22-28

Sea Otter Awareness Week is right around the corner!  With fun, family-friendly events happening all over town, this is a great way for you and your family to spend your time!  Whether you enjoy kayaking in the slough or eating breakfast with sea otters, there’s something fun for everyone!  Come with us to celebrate the […]

Sea otter pup, Monterey Bay Aquarium

Make a Splash at Monterey Bay Aquarium’s ‘Otter Days’

NEWS RELEASE:  California’s iconic southern sea otters are among the most charismatic creatures in the wild – and they need our help! On September 21 and 22, the Monterey Bay Aquarium celebrates these engaging animals during “Otter Days,”  a weekend full of special events and activities that promises to be fun and educational for the […]

Morro Bay twin sea otters

Sea Otter Gives Birth To Twins In Morro Bay, California

Last weekend a sea otter gave birth to twins in Morro Bay, CA.  Researchers are aware of only a small number of sea otter pregnancies which have resulted in the birth of more than one pup so this is an extremely rare occurrence.  Knowing that the demands of raising two pups are too great for any […]

Charlie the sea otter

Lecture & LIVE Stream: Exploring the Sensory Biology of Sea Otters Through Cooperative Research

DON’T MISS this lecture and LIVE web stream!!!  It’s definitely going to be one of the coolest talks of the year at Aquarium of the Pacific.  Be sure to tune into the live stream if you can’t make it to Long Beach, CA.  There will also be a Q&A session at the end via Twitter (@AquariumPacific). […]

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About is dedicated to raising awareness about California's threatened sea otters and the role research plays in the species recovery and conservation. It's a collaboration of the Monterey Bay Aquarium, U.C. Santa Cruz, U.C. Davis, U.S. Geological Survey, U.S. Fish & Wildlife Service, California Department of Fish and Wildlife, among others. is also home of the world's first HD live stream of southern sea otters in the wild.