Sea Turtle (5e Creature)
From D&D Wiki
Medium beast, unaligned
Hold Breath. The sea turtle can hold its breath for 15 minutes.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) piercing damage.
Sea turtles are large shelled reptiles that live in the sea. They mostly live in warm tropical waters near coral reefs.