Snapping Turtle (5e Creature)
From D&D Wiki
Small beast, unaligned
Hold Breath. The turtle can hold its breath for 30 minutes.
Bite. Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: 1 (1d4 - 1) bludgeoning damage.
Snapping turtles live in shallow ponds and streams, where they feed upon just about anything they can swallow, such as fish, frogs and other reptiles, including smaller turtles, though they can also eat plants. Snapping turtles hunt from ambush, burying their bodies before striking with their powerful beak-like jaws.