Bald Crab is a boss from Super Darius II. It is shaped after a arrow crab (Stenorhynchus seticornis).
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Bald Crab will slowly come from the right side of the screen, firing a barrage of arcing missiles from its frontal leg at each step. Once it has fully entered the screen it will begin using its other attacks, firing a barrage of bullets at the player from its nose, launching spiked balls from the top and launching arcing bombs from the back of its small body.