Colorful fish swim in blue water.

Pez

an adult and baby coelacanth specimens on display

Meet the Coelacanth

Learn about the fish that was once thought to be extinct.

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Featured Content

Un pescador de una pesquería a pequeña escala de Honduras se embarca en una excursión de pesca.

Medidas Inteligentes Rastrea las Presiones de Pesca

A blue parrotfish hides among coral.

Tough Teeth and Parrotfish Poop

On coral reefs fish are important links in the food chain that sustains higher-order predators (including humans) and keeps everything in balance.

Fish Get Risky Around Oil

A tornado of sardines swirls around diver and photographer Erwin Poliakoff in the Philippines.

Why the Littlest Fish Matter a Whole Lot

A school of akule (Hawaiian for bigeye scad) explode into a camera's frame.

Following the Akule

Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.

see all lesson plans see fish lesson plans

Pez Articles

A school of bluefin tuna

The Great Pacific Migration of Bluefin Tuna

A screenshot from the video showing a Palauan primitive cave eel.

Video of the Palauan primitive cave eel (Protanguilla palau)

This aptly named fish has two long fangs.

Creepy Critters: Marine Life Surfaces for Halloween

Photograph of the underside of a gelatinous octopus with a bright yellow bioluminescent ring around her mouth.

Bioluminescent Animals Photo Gallery

A photo of a squid using bioluminescence to hide in the deep sea.

Bioluminescence

The ultra-black Pacific blackdragon forms a circular shape with its body.

Scientists Find First Ultra-Black Color in Deep-Sea Fishes

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Russell Gilbert, flickr