Crustacean (Voyage to the Bottom of the Sea)

This is a sapient, spacefaring species of aquatic humanoid crustaceanoids. They hail from a water planet, but are able to survive on land as well as underwater. They have been observing Earth long enough to be familiar with human languages and customs. Their chelae are strong enough to easily break through metal, and their thick exoskeleton protects them from bullets.

Appearances

 * Voyage to the Bottom of the Sea, s03e16 - "The Lobster Man" (1968)