• Shell Camouflage: While the crab remains motionless with it's eyestalks and pincers tucked close to it's body, it resembles a natural formation or a pile of detritus. A creature within 30 feet of it can discren its true nature with a successful DC 15 intelligence (Nature) check.
• Multiattack: The aboleth makes three tentacle attacks.
• Claw: Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 20 (3d10+4) bludgeoning damage, and the target is grappled (escape DC 15). The crab has two claws, each of which can grapple only one target