Armor Class 13
Hit Points 1 (1d4 - 1)
Speed swim 40 ft.
Damage Immunities psychic
Senses darkvision 60 ft., passive Perception 8
Languages —
Challenge 0
Blood Frenzy. The sorrowfish has advantage on melee attack rolls against any creature that doesn't have all its hit points.
Water Breathing. The Sorrowfish can breathe only underwater.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 1 piercing damage.
CRCotN, p. 210