n tiny animal aquatic 

Perception +6; low-light vision

Skills Athletics +6, Stealth +7

Str +0 Dex +3 Con +1 Int -4 Wis +3 Cha +0

AC  16; Fort +3, Ref +9, Will +6

HP 15

Speed swim 25 feet

Melee [>] beak +7 (finesse), Damage 1d6 piercing plus blue-ringed octopus venom

Melee [>] arms +6, Effect Grab

Blue-Ringed Octopus Venom (poison) Saving Throw DC 17 Fortitude; Maximum Duration 6 rounds; Stage 1 1d4 poison damage (1 round); Stage 2 1d6 poison damage (1 round); Stage 3 1d6 poison damage and paralyzed (1 round)

Camouflage The blue-ringed octopus can change the color of its skin to Hide even if it doesn't have cover.

Jet [>>] The blue-ringed octopus moves up to 60 feet in a straight line through the water without triggering reactions.

Toxic Bite [>] Requirements The blue-ringed octopus has a creature grabbed; Effect The blue-ringed octopus makes a beak Strike against the grabbed creature. If it hits, it injects additional poison, causing its venom to gain the virulent trait.

Bestiary 2, page 187.