Crayfish Anatomy

Front

Why do crayfish molt?

Back

As a crayfish grows, the exoskeleton doesn't grow, so it must be replaced.

Front

What is the function of the cheliped in crayfish?

Back

The cheliped is used for grasping and handling food, as well as for defense.

Front

What is the abdomen in crayfish?

Back

The abdomen is the segmented part of the crayfish's body located behind the cephalothorax.

Front

What is the carapace in crayfish?

Back

The carapace is the hard shell that covers the cephalothorax.

Front

What class does a crayfish belong to?

Back

Crustacea.

Front

What is regeneration in crayfish?

Back

Regeneration is the process of re-growing lost body parts such as chelipeds and walking legs.

Front

What are antennules in crayfish?

Back

Antennules are small sensory appendages used for touch and taste.

Front

What are walking legs in crayfish?

Back

Walking legs are used for locomotion and movement on the substrate.

Front

What is the telson in crayfish?

Back

The telson is the terminal segment of the abdomen, used for propulsion in swimming.

Front

What is the role of gills in crayfish?

Back

Gills are used for respiration, allowing crayfish to extract oxygen from water.