Reef Shark

Armor Class 12

Hit Points 22 (4d8 + 4)

Speed swim 40 ft.

Initiative +1

Skills Perception +2

Senses blindsight 30 ft., passive Perception 12

Challenge 1/2 (100 XP)

Pack Tactics. The shark has advantage on an attack roll against a creature if at least one of the shark's allies is within 5 feet of the creature and the ally isn't incapacitated.

Water Breathing. The shark can breathe only underwater.

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. 6 (1d8 + 2) piercing damage.