Incorporates a release sensitivity adjustment to help in catching all size creatures. If you have live rock in your tank then you probably have a mantis or other crabs that you should remove. Do not hesitate, the 'X-Terminator' is what you need.
This trap is the only way to remove unwanted destructive shrimp, crabs and other creatures from your aquarium. The x-terminator is designed with release sensitivity adjustment and an automatic trip mechanism to aid in catching all size aquarium pests. The ultralife x-terminator safely and quickly removes these creatures without disturbing the beauty and delicate balance of your aquarium.