Where does crayfish have bristles?

* Antennae: Crayfish have two pairs of antennae. The first antennae, shorter and thicker, have sensory bristles that help them sense their surroundings. The second antennae, longer and thinner, have flagella with bristles that detect water currents and movement.

* Mouthparts: Crayfish have several pairs of mouthparts called maxillipeds. These maxillipeds have bristles that help them manipulate food and filter debris from the water.

* Abdominal appendages (swimmerets): The swimmerets, which are paired appendages located on the abdomen, have bristles that help the crayfish swim and carry eggs.

* Uropods: The uropods, which are the large, paddle-like appendages at the end of the abdomen, have bristles that help the crayfish steer and swim backward.

These bristles play crucial roles in the crayfish's survival by providing sensory input, assisting in feeding, and aiding in locomotion.