Pez | Smithsonian Ocean

Colorful fish swim in blue water.

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.

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Medidas Inteligentes Rastrea las Presiones de Pesca

A blue parrotfish hides among coral.

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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.

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Fish Get Risky Around Oil

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

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Why the Littlest Fish Matter a Whole Lot

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

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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

Photo of the head of a leafy seadragon

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Devoted Dads: From Seahorses to Sea Spiders

a mola mola fish swims around in the deep sea

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Mola mola - The Ocean’s Gentle Giant

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Meet the Tiny Bacteria That Give Anglerfishes Their Spooky Glow

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

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

Orange roughy and various marine species, bycatch, on the deck of a research trawler

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Rough Going for Orange Roughy

A submersible explores the deep reefs off of Curacao in the Caribbean.

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Summer in a Sub: DROP Down to Discovery

Gulf of Mexico Research Initiative researchers collect samples from a Pensacola Beach with oil layers in the sand. They use genomics to track how the communities of microbes change as they digest different components of oil after a spill.

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Three Ways You Can Use Genomics to Study Oil Spill Impacts

Tagged Mahi Mahi swimming in clear water.

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Satellite Tagging Captive Mahi Mahi

A glowing ocean surface.

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Six Ways to See Ocean Ocean Bioluminescence

A woman stands holding a white tray that displays lionfish jewelry.

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When Life Gives You Lionfish…

Smithsonian scientist who discovered new species in her laboratory

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Five Questions for Carole Baldwin

Colorful fish swimming in a coral tank.

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Wrasse and Anthias Fish Cam