Reef Shark

Smaller than giant sharks and hunter sharks, reef sharks inhabit shallow waters and coral reefs, gathering in small packs to hunt. A full-grown specimen measures 6 to 10 feet long.

Reef Shark CR: 1/2 (100 xp)

Medium beast, unaligned

Armor Class: 12

Hit Points: 22 (4d8 + 4)

Speed: 0 ft , swim: 40 ft

STR

14 +2

DEX

13 +1

CON

13 +1

INT

1 -5

WIS

10 +0

CHA

4 -3

Skills: Perception +2

Senses: blindsight 30 ft., passive Perception 12

Languages: --

Challenge Rating: 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.

Actions

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