Photo

Parrotfish in Mucus Cocoon

A parrotfish (Chlorurus sordidus) creates a mucus cocoon to protect it from...

Photo

Isopod Engorged With Blood

Isopods (small, shrimp-like animals) like this one (Gnathia aureusmaculosa) are the...

Photo

Hostile Takeovers: Photo Spread from Citizens of the Sea

"Hostile Takeovers" spread from Citizens of the Sea by Nancy Knowlton. ...

Photo

Devoted Dads: Photo Spread from Citizens of the Sea

"Devoted Dads" spread from Citizens of the Sea by Nancy Knowlton. ...

Photo

Open Wide: Photo Spread from Citizens of the Sea

"Open Wide" spread from Citizens of the Sea by Nancy Knowlton. ...

video

From Despair to Repair

Sit down with two veteran marine scientists, Dr. Nancy Knowlton and Dr. Jeremy...

Article

Where the Shark and the Snapper Roam

The pre-industrial American landscape was once rightly described as a place where...

Article

Devoted Dads: From Seahorses to Sea Spiders

If youngsters get cared for at all, the mother is usually involved. But in fish and...

Personal Perspectives

Menopausal Moms: A Mammal Mystery

In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers...

Personal Perspectives

No Fouling Around

Since the dawn of seafaring, humankind has had to deal with the pesky creatures...

Personal Perspectives

Peanut Butter and Jellyfish

All over the world, people have been witnessing gigantic blooms of tens of...

Personal Perspectives

Do Sharks Smell in Stereo?

Animals, on land and in the ocean, live in a 3-D world, and they depend on their...