Small fish, earthworms. Stone wolf fish, also known as white armor, is a carnivore. The stone wolf fish mainly eats benthos, mainly aquatic insects and molluscs, and also shrimps from eat small fish. So use small fish, earthworms and other meat as bait. The stone wolf fish, Nocturnal Animals, mainly moves at night, because it hardly moves during the day. At night, it will rush out to find food. There is not enough food in the morning, so it will be more active.