Colorful fish swim in blue water.

Fish

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

a blue larval fish with fanning spines

Blackwater Divers Illuminate Sea Life at Night

This is one of about 200 species of moray eels that live in tropical and subtropical coral reefs.

The Revealing Nature of Eel Faces

Gulper Eel's Massive Jaws

Three fishermen sit on wooden stilts that are sticking out of the ocean as they fish.

Fishing for Food Security: Small-Scale Fisheries Are Key

a graphic of 10 illustrated fish

The Complicated Tale of Salmon and Trout

a graphic depicting the various species of tuna

The Big Tunas

an old illustration of an eel

The Origin of Eels

an illustration of pufferfish species and their relatives

Pufferfishes and Their Relatives

A screenshot from the video "Ideas for Change" showing white ocean illustrations.

Ideas for Change

“On an afternoon dive, I spotted a small group of sweetlips in the current among a shoal of juvenile convict blennies. It took me some time to get close to the fish without spooking them. I took several frames but this one was my favorite because of the

Ocean Fish Pictures

Banner Credit

Russell Gilbert, flickr