Aqua Slime

Semi-Solid: Can move through extremely tight spaces at least 0.3 mm large.

Absorb Absorbs an entity smaller than itself, dealing acid damage till it breaks free or dies, healing itself for how much hitpoints the enemy had, If it overheals it will add a quater of the ammount of health it didn't heal to it's max health. To be set free the enemy will have to roll a dex check and hit over 12.

Slime Bash. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 1) bludgeoning damage. 

Aqua jet. Ranged Weapon Attack: +2 to hit, range 10/20 ft., one target. Hit: 6 (1d8 + 1) bludgeoning damage.

Land adaption: when on land the slime loses it's aqua jet ability and jumps like other slimes and it loses it's additional acrobatics bonus

Mimic: The slime can mimic the shape of any other being or object tiny-medium size

Split: Every few weeks or when startled the slime splits in half becoming two seperate slimes