Claw. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) bludgeoning damage, and the target is grappled (escape DC 11). The crab has two claws, each of which can grapple only one target. Bite. Melee Weapon Attack: +4 to hit, reach 5 ft. , one target. Hit: 4 (1d4 + 2) piercing damage.
Another experiment of the Transmutation expert Lorwyn Gorwick. A mixture of Crab and Rat. This creature is being sold at the local mount store.