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Do Sharks Sleep? The Surprising Truth About Shark Rest Patterns

In this edition of “Ask A Marine Biologist,” Dr. David Shiffman answers a popular question about our beloved apex predators of the sea.

Six Awesome Animal Encounters in Mexico’s Baja Sur

When and where scuba divers can encounter manta rays, whale sharks and more in Baja Sur, Mexico.

Restoring Order to the Shark Populations of Cocos Island

A fishing ban led to a recent resurgence of tiger sharks off Costa Rica’s Cocos Island. But experts say it will take more to restore harmony among the area’s apex predators.

World’s Largest Colony of Fish Nests Found Under Polar Ice

Millions of icefish nests were discovered more than 1,600 feet below the ice in Antarctica’s Weddell Sea.

How Accessible Are Marine Biology Careers for Disabled People?

You do not need to be able to scuba dive for a career in marine biology, but there are ways for the field to improve inclusivity.

Massive "Sea Dragon" Fossil Discovered in the UK

The ichthyosaur, excavated throughout August and September 2021, is the largest and most complete specimen ever discovered in the U.K.

Tracking Endangered Whale Sharks with eDNA

On Australia's Ningaloo Reef, researchers and Australia’s richest man are using environmental DNA to unlock the mysteries of the world's biggest fish.

Ocean Warming Could Lead to Smaller Fish, New Study Finds

Ocean warming puts fish are at risk of becoming smaller due to the lower oxygen content of warm water, reports a new study.