Fish

Eye Spy

While this highly adapted fish peers out on its prey- and predator-rich surroundings, shapeshifting, pigmented cells enable it to all but disappear into its environment.

Latest in Fish
A striped marlin pursues baitfish off the coast of Baja California Sur.
Billfish Bounty

A striped marlin slices through a shoal of baitfish, a beautiful reminder of the struggle between predator and prey—as well as the fragility and importance of healthy ecosystems.

Layers of Life
Layers of Life

On a crowded coral reef, species often make their homes on top of one another (literally), living lives that are tightly intertwined both biologically and evolutionarily.

Aerial view of the Kupeke fishpond along Molokai’s southeast shoreline. Photograph by Mickey Pauole
Hawaii’s Ancient Aquaculture Revival

In an ocean state that now imports half of its seafood, a determined group of activists is restoring the age-old aquaculture practices of Native Hawaiians.

Migratory fish like these mountain mullet (Agonostomus monticola) are a common sight in Central American rivers.
Free-Flowing, For Now

Hundreds of new dams are currently planned for Central American rivers, posing a threat to Indigenous peoples and wildlife alike. Preserving the integrity of these corridors between the mountains and the sea will help them both.

A cutthroat trout feeds at the surface of a clear lake in Colorado’s Rocky Mountain National Park. Photograph by William Hughes
Resurrecting the Greenback, Take Two

After a case of mistaken identity, scientists face an upstream swim to save a fabled fish.

king penguins (Aptenodytes patagonicus)
Facing the Day

Before embarking on an icy fishing expedition in the Southern Ocean, king penguins pause to soak up the morning’s first light.

Minipizza Batfish (Halieutaea stellata)
Mystic Minipizza

This might be your only chance to meet the best-named fish in the sea.

Yellowfin tuna (Thunnus albacares), rainbow runners (Elagatis bipinnulata) and four species of shark all take turns feeding on baitfish off Mexico’s Revillagigedo Archipelago.
A Drop in the Ocean?

As the world’s marine ecosystems face ever-increasing threats, is the trend toward huge, remote reserves a promising new development or a worrisome distraction?

Illustration by KTSDESIGN/SCIENCE PHOTO LIBRARY
Tech Support for an Ailing Planet

With the threats of poaching and deforestation mounting, some start-ups are taking a high-tech approach to the world’s most pressing conservation issues.