Did You Know?

Some crabs can walk sideways!

Where They Live

Crustaceans live in oceans and lakes.

What They Eat

Crustaceans eat plants and small fish.

What Crustaceans Do

They help clean the water.

They are food for fish and birds.

Some are pets, like shrimp.

They can be very colorful.

Some can grow very big.

They have many kinds and shapes.

More About Crustaceans

Crustaceans have been around for a long time. They first lived in the sea. Now, they can be found in many places. They are part of nature's food chain.

Crustaceans are important for us. They help keep the water clean. Many people eat them, like shrimp and crab. They are also fun to watch at the beach.

Some crustaceans can glow in the dark! They can be very small or very big. There are so many types to learn about!

How Topics Connect

graph TD A["Crustaceans"] B["Aquatic Species"] C["Decapods"] D["Branchiopods"] E["Hexapods"] F["Pancrustacea"] G["Cephalocarida"] H["Remipedia"] A --> B B --> C B --> D A --> E E --> F F --> G F --> H

What Do These Words Mean?

Crustaceans:A group of animals like crabs and shrimp that usually live in water.
Mandibulate:Having jaws or mouthparts used for chewing.
Paraphyletic:A group of organisms that includes some but not all descendants of a common ancestor.
Cladistically:Relating to a way of classifying living things based on their evolutionary relationships.
Monophyletic:A group of organisms that includes all the descendants of a common ancestor.