FEATURED CAMPAIGN Save the Oceans, Feed the World We are restoring the world’s wild fish populations to serve as a sustainable source of protein for people.

Nov 12, 2025 · There are about 33,600 species of fish known today. Fish are an essential resource to humans across the world, particularly as food.

The diverse types of fish enrich our appreciation of the aquatic world and highlight the crucial necessity for environmental stewardship to protect these vital inhabitants of our planet. We hope this guide …

Everyone knows what a fish is: from a pet goldfish to a wild sunfish, fish are globally recognized and are an important global protein source. In this slideshow, we will look at some of the most interesting …

The deep sea is characterized by extreme cold, high pressure, and a complete absence of light. Despite the harsh conditions, the deep sea is home to a wide variety of fish species. Let’s take a closer look …

We work to manage sustainable marine and migratory fish populations under the Magnuson-Stevens Act and protect any fish species listed under the Endangered Species Act. Learn more about the …

There are over an estimated 20,000 species of Ocean Fish. There are colorful, fast, big, small, and unique fish to learn about in our Oceans!

Marine fishes are a diverse group of vertebrates that inhabit saltwater environments such as oceans and seas. They are adapted to live in a wide range of aquatic habitats, from coral reefs and …

Whale sharks, the largest fish, give birth to live young and eat only tiny fish, squid, and plankton. Some species, such as the weedy sea dragon, are so bizarre they seem almost unreal.

Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.