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Saving Indonesia's Endangered Sharks

Scalloped hammerhead sharks and wedgefish are facing extinction, partly due to being caught and sold for their fins. This program gives local fishermen incentive to set those species free.

Sea Cucumbers: Everything There Is to Know

In this edition of “Ask a Marine Biologist,” Dr.

An Unexpected Friendship With Vermillion Rockfish

Personalities abound underwater—if you’re paying attention.

Protecting Texas’ Barrier Island Sea Turtles

Sea Turtle, Inc., is on a decades-long mission to protect the South Padre Island turtle population from threats to their nesting grounds and more.

The Warriors Fighting to Save Florida's Dying Corals

Corals in the Florida Keys are being ravaged by warming waters, diseases, overfishing, storms and more. Here's how some people are banding together to give them a fighting chance.

Why We’re Suckers for Becoming an Octopus’s Student

Few ocean critters are more charismatic than captivating cephalopods—squid, octopuses, cuttlefishes, nautiluses—and as divers, we can't get enough.

The Sound of (Reef) Music

Can sound save coral? One researcher is working to answer this question.

What Remains Unknown About the Deep Sea?

The latest "Ask a Marine Biologist"