Armor Class 18 (shell plate armor)
Hit Points 32 (5d8 + 10)
Speed swim 40 ft.
Saving Throws STR +6
Skills Athletics +6
Senses darkvision 120 ft., passive Perception 10
Languages —
Challenge 2
Blood Frenzy. The shark has advantage on melee attack rolls against any creature that doesn't have all its hit points.
Magic Resistance. The shark has advantage on saving throws against spells and other magical effects.
Water Breathing. The shark can breathe only underwater.
Multiattack. The shark makes two bite attacks.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 13 (2d10 + 2) piercing damage.
GoS, p. 252