Perception +2
Blindsight 30 ft., Passive Perception 12
--
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 breathe only underwater.
Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) piercing damage.