Giant Crocodile

Hold Breath. The crocodile can hold its breath for 30 minutes.

Multiattack. The crocodile attacks with its bite and its tail.

Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 16 (2d10+5) piercing damage and the target is grappled (escape DC 15). Until this grapple ends the target is restrained and the crocodile can't bite a different target.

Tail. Melee Weapon Attack: +8 to hit, reach 10 ft., one creature not grappled by the crocodile. Hit: 14 (2d8+5) bludgeoning damage and the target makes a DC 18 Strength saving throw falling prone on a failure.