Tiny Beast, unaligned
Armor Class 11 (natural armor)
Hit Points 2 (1d4)
Speed swim +20, walk +20
Challenge 0
Skills stealth +2
Senses blindsight 30 ft., passive Perception 9
Amphibious. The crab can breathe air and water.
Claw. Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: 1 bludgeoning damage.
Source: 5e Core Rules · OGL/Open