Colorful fish swim in blue water.

Fish

Preview

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

A Honduran small-scale fisherman on a boat setting out to fish.

Clever Measures Track Fishing Pressures

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

Fish Articles

Map showing the range of the eastern and western populations of Atlantic bluefin tuna and their spawning grounds in the Gulf of Mexico and the Mediterranean Sea.

Atlantic Bluefin Tuna (Thunnus thynnus)

A red deep-sea fish specimen.

The Whalefish Mystery

Seven of the newly discovered Starksia blennies, small fish with elongated bodies

Scientists Discover Seven New Species of Fish

Smithsonian scientist who discovered new species in her laboratory

Five Questions for Carole Baldwin

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

Rough Going for Orange Roughy

Master carver Douglas Chilton rides in the Raven Spirit canoe at its ceremonial launch.

The Sant Ocean Hall: Salmon Shape a Way of Life

An albatross soars over the ocean.

Is It Love? Why Some Ocean Animals (Sort Of) Mate For Life

A glowing ocean surface.

Six Ways to See Ocean Ocean Bioluminescence

A Barbudan fisherman with a fresh lobster catch!

The Blue Halo – Barbuda and Beyond

Un pescador se sienta en su bote y sostiene una captura de langosta fresca

The Blue Halo - Barbuda y más allá

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.

Three Ways You Can Use Genomics to Study Oil Spill Impacts

Meet the Tiny Bacteria That Give Anglerfishes Their Spooky Glow

Banner Credit

Russell Gilbert, flickr