| A | B |
|---|
| abdomen | the last of the three body parts |
| antenna | one of the large sensory appendages on the head of crustaceans, insects and other animal. Feelers. |
| carapace | the hard exoskeleton covering the head and thorax of a crustacean |
| cephalothorax | the head and the thorax combined |
| eye | an organ of vision or light sensitivity |
| gills | the respiratory organ of crayfish located above the walking legs under the carapace |
| mandibles | jaws |
| maxillae | small moving appendages around the mouth used for moving food and water |
| maxillipeds | jaw-feet, help manipulate food |
| pincers | large claws |
| rostrum | a hard beaklike projection of the carapace between the eyes on crayfish |
| swimmerets | small appendages on the underside of the crayfish's abdomen. Used to circulate water, and in females to also carry eggs and young. |
| tail | the last segment of the abdomen used for swimming, balance, and , in females, egg protection |
| thorax | the middle region of the body of a crayfish between the head and abdomen |
