Citizens of the Sea

Cover of the Book Citizens of the Sea

Citizens of the Sea

Order a copy of the book, Citizens of the Sea . Credit: National Geographic The incredible variety of marine life—in numbers, body form, behavior, and more—is at the heart of Citizens of the Sea...
A scalloped hammerhead (Sphyrna lewini) at Isla del Coco, Costa Rica.

Do Sharks Smell in Stereo?

A scalloped hammerhead shark at Isla del Coco, Costa Rica. Credit: © Terry Goss 2008/Marine Photobank Animals, on land and in the ocean, live in a 3-D world, and they depend on their sense...
Overfishing is leading to an abundance of less desirable species like jellyfish.

Peanut Butter and Jellyfish

With more desirable species being fished out and jellyfish blooming, will jellyfish sandwiches soon be on the menu? Credit: David Beck / Jennifer Jacquet All over the world, people have been witnessing gigantic blooms...
Boat Propeller Fouled With Barnacles

No Fouling Around

Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one. Credit: Flickr...
Photo of the head of a leafy seadragon

Devoted Dads: From Seahorses to Sea Spiders

Male leafy seadragons ( Phycodurus eques ) are among the ocean's more " devoted dads ." They carry the developing eggs for about a month, until they hatch. Credit: David Gray, FishWise Professional If...