Keen Smell. The shark has advantage on Wisdom (Perception) checks that rely on smell.

Underwater Camouflage. The shark has advantage on Dexterity (Stealth) checks made while underwater.

Blood Frenzy.The shark has advantage on melee attack rolls against any creature that doesn't have all its hit points.

Water Breathing. The shark can only breathe underwater.

Bite. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 22 (3d10 + 6) piercing damage.

Teleport (Recharge 4–6). The shark magically teleports, along with any equipment it is wearing or carrying, up to 40 feet to an unoccupied space it can see. Before or after teleporting, the shark can make one bite attack.