ne huge amphibious beast 

Perception +15; low-light vision

Languages Common

Skills Athletics +19, Stealth +11

Str +6 Dex +2 Con +6 Int -2 Wis +4 Cha +0

AC  22; Fort +19, Ref +11, Will +15

HP 155

Deluge A creature can provoke a waterlogged tiddalik (see Drink Abundance below) into laughing and releasing its stored water with a successful DC 25 check to Perform a joke or funny story. The tiddalik also disgorges its water automatically if it dies while waterlogged, or can voluntarily Deluge as a three-action activity that has the concentrate trait. The mass of stored water swamps a 10-foot emanation, dealing 8d6 bludgeoning damage to creatures in the area (DC 25 basic Reflex save) and making the area difficult terrain for 1 day. The tiddalik can't use its spit Strike or Expel Wave until it next Drinks in Abundance.

Speed 25 feet; or 10 feet while waterlogged

Melee [>] bite +19 (reach 10 feet), Damage 2d10+9 piercing plus Grab

Ranged [>] spit +15 (range increment 30 feet), Damage 2d10+9 bludgeoning

Drink Abundance (downtime) The tiddalik spends a day or more drinking from a water source. If the water source is equal to or greater in volume than itself, the tiddalik consumes 5,000 gallons of water per day and becomes waterlogged. While waterlogged, it can use its spit Strike, Expel Wave, and its deluge ability, but its.

Bestiary 3, page 265.