A writhing mass of clacking shells and snapping pincers rushes from the surf, their spider-like legs twitching across the sand.
Speed 30 ft., swim 20 ft.
Melee swarm (2d6)
Space 10 ft.; Reach 0 ft.
Special Attacks distraction (DC 14)
Environment any aquatic
Organization solitary, pair, or wave (3–8 swarms)
Crab swarms contain over a thousand normal-sized crabs that rush over their victims, plucking flesh with thousands of pinching claws. Some fishermen claim tides and phases of the moon cause these creatures to swarm as they do.