In order to prevent being washed away by ocean tides, the body of this Pokémon is heavy. In ancient times it built its nest in the shallows of warm seas. When the tide went out, it came up on land to search for prey. However, Cradily cannot move very fast due to its short legs. Instead, Cradily can extend its neck and tentacles by three times its usual length. It then uses its tentacles to capture them and melts them with strong digestive acidic fluid secreted by the tentacles.