circular icon with blue whale

Marine BiOLogy

octopus more

What is Marine Biology?

Marine biology is the study of life in the ocean. This huge body of saltwater covers about two-thirds of our planet's surface and contains many different marine ecosystems. Life within it is more diverse than life on land!

Marine BiOLogy Stuff:

ALL
Games
Reading
Hands-on
Videos

All aboard! Hop on a submersible and explore an amazing diversity of life at the ocean floor.

The largest mammal at the Museum is interviewed by the largest dinosaur

Sharks have been around for 450 million years. Find out about their unique features and way of life!

Find out what you can do to protect the oceans and ocean life.

What kind of person becomes an ichthyologist, a scientist who studies fish?

Our oceans are full of colorful creatures. Find out how animals use color for attraction, communication, and camouflage. 

Create a flounder fish that's hard to spot!

Make a 3D diorama! All you need are pasta, Play-Doh, pipe cleaners, pom-poms, and hair curlers.

Find out what lives in the deep sea, coral reef, and continental shelf.

Can you match these marine animals with their baby pictures? 

Check out these fascinating fish from Africa's lower Congo River.

Can you make it down to the ocean floor? Along the way, discover what makes water special.

Create land and sea animals that "glow" in the dark!

What does this marine biologist like most about her work? Find out!

Dive into the oceans with an ichthyologist.

What adaptations help these creatures survive?

How do whales and walruses stay warm in chilly waters? Grab some gloves and find out.

How do mammals respond to cold water? Take the plunge into icy water and find out.

Do fresh water and salt water mix? Find out in this experiment.

Discover how these deep sea creatures create their own light!

Test your knowledge about the major groups of life on Earth.

Test your knowledge about our watery world with this quiz.

How is the ocean like a layer cake? What creatures live there? And how important is the ocean? Take a dive and find out!

See how many different plants and animals you can find in this virtual mangrove swamp.