Pseudopod. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) bludgeoning damage. If the mimic is in object form, the target is subjected to its Adhesive trait.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage plus 3 (1d6) acid damage.

Bite and Swallow. When a Medium or smaller creature try to open the mimic to retrieve or stow an item, it must succeed on a DC 16 Dexterity saving throw.  On a failure, it is subjected to the mimic's Bite.  If the saving throw fails it are trapped and must make another saving throw on the next turn of the mimic, an DC 14 Strengh would prevent it from being swallowed and eaten alive.