Pack Tactics. The shark has advantage on attack rolls against a creature if at least one of the shark's allies is within 5 feet of the creature and isn't incapacitated. Water Breathing. The shark can breathe only underwater.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft, one target. Hit. 3-4-6 1d4+2 Piercing Damage.