Fish | 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

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

Article

Clever Measures Track Fishing Pressures

A blue parrotfish hides among coral.

Article

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.

Article

Fish Get Risky Around Oil

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

Article

Why the Littlest Fish Matter a Whole Lot

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

Article

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

An albatross soars over the ocean.

Article

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

“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

Slideshow

Ocean Fish Pictures

a red lionfish

Video

Lionfish on the Loose

a graphic depicting the various species of tuna

Article

The Big Tunas

Thumbnail of a parrotfish with huge front teeth.

Video

Feeding Humphead Parrotfish

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

Article

Medidas Inteligentes Rastrea las Presiones de Pesca

an old illustration of an eel

Article

The Origin of Eels

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

Article

A New Ocean Zone Described with the Help of a Submersible

measuring a fish

Video

Really Small Fry: Shifting Baselines in Marine Fish Stocks

Slideshow

Revealing the Family Ties of Cusk-Eels

The Autonomous Reef Monitoring Structure was developed to help scientists study coral reef diversity and have now been adopted broadly to study diversity around the world.

Article

Uncovering Biodiversity… with ARMS and a Submarine Claw

an adult and baby coelacanth specimens on display

Overview

Coelacanth