Drip crabs

drip crabs are related to the hermit crab, they basically spawn in dripstone caves, they are 3.2 blocks tall and 2 blocks wide. they also are self defensive mobs. they can dash, pinch, or gaurd at the opponent. These guys are really tough, and they also travel in small groups. they can be fed glowberries, and if enough blueberries, you can befriend the group of crabs. these crabs can be rideable, and serve as a guide to the caves. it can be given an item from specific cave, and will take you to that cave that has that item. basically a traveling system. they also can be fed maps, which can change their location points.