The Cave Squid is a hostile Mob in Mechanic Miner.
Nearing the Cave Squid will aggravate it, and cause it to attack you. The Cave Squid is fairly fast, and shoots damaging projectiles at you.
Upon killing the Cave Squid you will be rewarded with a decent amount of experience. In addition you'll have a chance of receiving the following upon harvesting the corpse of the Cave Squid: