From Pathfinder #154: Siege of the Dinosaurs, which isn't enabled.

Gahlepod

CREATURE 7

The youngest brughadatches resemble overlarge tadpoles about 2 feet long.

Brughadatches are malevolent fey tricksters with distinct stages of life: they spawn from the First World's primal energies as esurient tadpoles, grow into humanoids capable of creating enticing illusions, then finally evolve into huge, slothful toads that warp their environs with mere thoughts.

Perception +13; darkvision, scent (imprecise) 30 feet

Languages Fey; can't speak any language

Skills Acrobatics +17, Survival +14

Str +4, Dex +6, Con +4, Int -4, Wis +1, Cha +0

AC 24; Fort +17, Ref +19, Will +14

HP 140; Weaknesses cold iron 5

Churning Frenzy

Trigger The gahlepod becomes adjacent to at least one other gahlepod

Frequency once per round

Effect The gahlepod is spurred into a frenzy by the others. For the rest of the round, their jaws Strike deals 1d6 persistent bleed damage in addition to the listed damage.

Speed 10 feet, swim 35 feet

Melee Jaws +17 (unarmed), Damage 2d8+7 piercing

Pathfinder #154: Siege of the DinosaursOGL