Multiattack

The mamura makes three Claw attacks and one Whiptail Stinger attack.

Claw

Melee Weapon Attack: +7 to hit, range 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage.

Whiptail Stinger

Melee Weapon Attack: +7 to hit, range 10 ft., one target. Hit: 8 (1d8 + 4) piercing damage, and the target must succeed on a DC 15 Constitution saving throw or take 7 (2d6) poison damage and be poisoned for 1 minute. While poisoned, the creature takes 3 (1d6) poison damage at the start of each of its turns. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.