3, 2, 1 listen.... Oh snap, a pistol shrimp! Sound description. Multiple loud pops or clicks. The clicking sounds are that of various pistol shrimp who reside under the dock at the Apollo Beach Visitor Center. The recording was taken under the water, so they will not be heard on the dock. These shrimp are very interesting. Their claws are uneven in shape. One of the claws is what is making the sound. Once prey is in range the small irregular claw is cocked open. Then it snaps and shoots out a bu