Aquatic Creatures
| Name | Traits | Source | Level |
| Hyacinth Lamprey | UncommonTinyAquaticElementalPlant | Pathfinder Society Scenario #5-01: Intro: Year of Unfettered Exploration | -1 |
| Pufferfish | TinyAnimalAquatic | Pathfinder Bestiary 3 | -1 |
| Seaborn Fisher | MediumAquaticChaoticElfHumanoid | Pathfinder Society Quest #4: Port Peril Pub Crawl | -1 |
| Trilobite | MediumAnimalAquatic | Pathfinder Monster Core 2 | -1 |
| Whippoorwill Electric Eel | SmallAnimalAquatic | Pathfinder Society Scenario #6-00: Salt of the Ocean | -1 |
| Blue-Ringed Octopus | TinyAnimalAquatic | Pathfinder Bestiary 2 | 0 |
| Reefclaw Spawn | SmallAberrationAmphibiousAquatic | Pathfinder Society Scenario #1-04: Bandits of Immenwood | 0 |
| Riptide Octopus Swarm | LargeAnimalAquaticSwarm | Pathfinder #216: The Acropolis Pyre | 0 |
| Stingray | MediumAnimalAquatic | Pathfinder Bestiary 2 | 0 |
| Stonefish | TinyAnimalAquatic | Pathfinder Howl of the Wild | 0 |
| Vampire Squid | SmallAnimalAquatic | Pathfinder Bestiary 2 | 0 |
| Baby Brine Shark | UncommonSmallAquaticElementalWater | Pathfinder Society Scenario #5-01: Intro: Year of Unfettered Exploration | 1 |
| Bristled Reef Shark | MediumAnimalAquatic | Pathfinder #216: The Acropolis Pyre | 1 |
| Charmed Crab | UncommonMediumAnimalAquatic | Pathfinder Bounty #9: Fishing in Anthusis | 1 |
| Dewdrop Jelly | SmallAquaticElementalWater | Pathfinder Rage of Elements | 1 |
| Electric Eel | SmallAnimalAquatic | Pathfinder Monster Core | 1 |
| Fuath | TinyAquaticFeyGremlin | Pathfinder Monster Core 2 | 1 |
| Hippocampus | LargeAnimalAquatic | Pathfinder Monster Core | 1 |
| Lawn Crawfish | SmallAberrationAquaticChaotic | Pathfinder Adventure: Little Trouble in Big Absalom | 1 |
| Manta Ray | LargeAnimalAquatic | Pathfinder Bestiary 2 | 1 |
| Merfolk Warrior | MediumAquaticHumanoidMerfolk | Pathfinder Monster Core | 1 |
| Molted Reefclaw | SmallAberrationAquatic | Pathfinder #216: The Acropolis Pyre | 1 |
| Muraxi (3-4) | UniqueSmallAquaticElementalWater | Pathfinder Society Quest #5: The Dragon who Stole Evoking Day | 1 |
| Nixie | SmallAquaticFey | Pathfinder Monster Core 2 | 1 |
| Razortoothed Shark | UncommonLargeAnimalAquatic | Pathfinder Society Scenario #2-06: The Crashing Wave | 1 |
| Reef Octopus | SmallAnimalAquatic | Pathfinder Bestiary 2 | 1 |
| Reefclaw | SmallAberrationAquatic | Pathfinder Monster Core | 1 |
| Reefclaw (BB) | SmallAberrationAquatic | Pathfinder Beginner Box | 1 |
| Reefclaw (PFS 1-12) | SmallAberrationAquaticChaotic | Pathfinder Society Scenario #1-12: The Burden of Envy | 1 |
| Water Mephit | SmallAquaticElementalWater | Pathfinder Bestiary | 1 |
| Coralclaw | UncommonMediumAnimalAquatic | Pathfinder #216: The Acropolis Pyre | 2 |
| Giant Crab | MediumAnimalAquatic | Pathfinder Monster Core 2 | 2 |
| Lady Shimmersnip | LargeAnimalAquatic | Pathfinder #193: Mantle of Gold | 2 |
| Merfolk Wavecaller | MediumAquaticHumanoidMerfolk | Pathfinder Monster Core | 2 |
| Olobigonde | LargeAnimalAquaticElementalWater | Pathfinder Rage of Elements | 2 |
| Seaborn Captain | MediumAquaticChaoticElfHumanoid | Pathfinder Society Quest #4: Port Peril Pub Crawl | 2 |
| Stonefish Swarm | LargeAnimalAquaticSwarm | Pathfinder Howl of the Wild | 2 |
| Whippoorwill Piranha Swarm | LargeAnimalAquaticSwarm | Pathfinder Society Scenario #6-00: Salt of the Ocean | 2 |
| Bloodthirsty Razortoothed Shark | UncommonLargeAnimalAquatic | Pathfinder Society Scenario #2-06: The Crashing Wave | 3 |
| Brine Shark | MediumAquaticElementalWater | Pathfinder Monster Core | 3 |
| Brine Shark (BB) | MediumAquaticElementalWater | Pathfinder Beginner Box | 3 |
| Bunyip | MediumAnimalAquatic | Pathfinder Bestiary | 3 |
| Fangtooth School | LargeAnimalAquaticSwarm | Pathfinder Howl of the Wild | 3 |
| Giant Dragonfly Nymph | SmallAnimalAquatic | Pathfinder Monster Core 2 | 3 |
| Muraxi (5-6) | UniqueSmallAquaticElementalWater | Pathfinder Society Quest #5: The Dragon who Stole Evoking Day | 3 |
| Narwhal | LargeAnimalAquatic | Pathfinder Bestiary 3 | 3 |
| Piranha Swarm | LargeAnimalAquaticSwarm | Pathfinder Bestiary 3 | 3 |
| Planar Nixie | UncommonSmallAquaticChaoticFeyWater | Pathfinder Society Scenario #2-16: Freedom for Wishes | 3 |
| Silaqui (3-4) | UniqueMediumAquaticElementalEvilLawfulWater | Pathfinder Society Scenario #2-06: The Crashing Wave | 3 |
| Swordfish | LargeAnimalAquatic | Pathfinder Howl of the Wild | 3 |
| Trilobite Swarm | LargeAnimalAquaticSwarm | Pathfinder Monster Core 2 | 3 |
| Aquatic Ooze | UncommonMediumAquaticMindlessOoze | Pathfinder #182: Graveclaw | 4 |
| Giant Fangtooth | MediumAnimalAquatic | Pathfinder Howl of the Wild | 4 |
| Great White Shark | HugeAnimalAquatic | Pathfinder Monster Core | 4 |
| Great White Shark (PFS 1-12) | LargeAnimalAquatic | Pathfinder Society Scenario #1-12: The Burden of Envy | 4 |
| Gutaki | LargeAquaticBeast | Pathfinder Lost Omens High Seas | 4 |
| Kapoacinth | MediumAquaticBeastChaoticEarthEvil | Pathfinder #182: Graveclaw | 4 |
| Kapoacinth | MediumAquaticBeastChaoticEarthEvil | Pathfinder Bestiary | 4 |
| Whippoorwill Giant Moray Eel | LargeAnimalAquatic | Pathfinder Society Scenario #6-00: Salt of the Ocean | 4 |
| Demontangle | LargeAquaticOozeUnholy | Pathfinder Adventure Path: Gatewalkers | 5 |
| Giant Moray Eel | LargeAnimalAquatic | Pathfinder Monster Core | 5 |
| Globster | LargeAquaticOoze | Pathfinder Monster Core | 5 |
| Goblin Shark | LargeAnimalAquatic | Pathfinder Howl of the Wild | 5 |
| Goldpebble | LargeAquaticBeast | Pathfinder Lost Omens Shining Kingdoms | 5 |
| Joyful Planar Nixie | RareSmallAquaticChaoticFeyWater | Pathfinder Society Scenario #2-16: Freedom for Wishes | 5 |
| Living Waterfall | LargeAquaticElementalWater | Pathfinder Monster Core | 5 |
| Melianse | UniqueSmallAquaticFey | Pathfinder Kingmaker | 5 |
| Scrapborn | RareMediumAberrationAquaticEvil | Pathfinder Adventure: The Enmity Cycle | 5 |
| Shui Gui | UncommonMediumAquaticGhostIncorporealSpiritUndeadWater | Pathfinder Lost Omens Tian Xia World Guide | 5 |
| Silaqui (5-6) | UniqueMediumAquaticElementalEvilLawfulWater | Pathfinder Society Scenario #2-06: The Crashing Wave | 5 |
| Fire Jellyfish Swarm | LargeAnimalAquaticMindlessSwarm | Pathfinder Monster Core 2 | 6 |
| Getidline (Riptide Demon) | UncommonLargeAquaticFiendUnholy | Pathfinder Society Scenario #6-00: Salt of the Ocean | 6 |
| Vidileth | RareLargeAberrationAquaticIllusion | The Dead God's Hand | 6 |
| Whippoorwill Con Rit | LargeAnimalAquatic | Pathfinder Society Scenario #6-00: Salt of the Ocean | 6 |
| Alghollthu Master | UncommonHugeAberrationAquaticEvilLawful | Pathfinder Bestiary | 7 |
| Aqudel | UncommonLargeAberrationAquatic | Pathfinder Monster Core 2 | 7 |
| Con Rit | HugeAnimalAquatic | Pathfinder Monster Core | 7 |
| Giant Jellyfish | LargeAnimalAquaticMindless | Pathfinder Monster Core 2 | 7 |
| Merfolk Wavecaller | RareMediumAquaticHumanoidMerfolk | Pathfinder #218: Titanbane | 7 |
| Quatoid | SmallAquaticElementalWater | Pathfinder Monster Core | 7 |
| Quatoid | SmallAquaticElementalLawfulWater | Pathfinder Bestiary | 7 |
| Brine Dragon (Young) | LargeAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 8 |
| Brine Dragon (Young, Spellcaster) | LargeAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 8 |
| Coldmire Pond | HugeAquaticElementalWater | Pathfinder Rage of Elements | 8 |
| Giant Hippocampus | UncommonHugeAnimalAquatic | Pathfinder Monster Core | 8 |
| Giant Octopus | HugeAnimalAquatic | Pathfinder Monster Core | 8 |
| Bregdi | UncommonLargeAnimalAquatic | Pathfinder #159: All or Nothing | 9 |
| Deepwater Dhuthorex | UncommonLargeAberrationAquaticChaotic | Pathfinder #165: Eyes of Empty Death | 9 |
| Giant Squid | HugeAnimalAquatic | Pathfinder Bestiary 2 | 9 |
| Mamlambo | UncommonHugeAquaticBeastEvil | Pathfinder Lost Omens The Mwangi Expanse | 9 |
| Megalodon | UncommonGargantuanAnimalAquatic | Pathfinder Monster Core | 9 |
| Tidal Master | LargeAquaticElementalWater | Pathfinder Bestiary | 9 |
| Helicoprion | UncommonGargantuanAnimalAquatic | Pathfinder Howl of the Wild | 10 |
| Nereid | MediumAquaticChaoticFeyWater | Pathfinder Bestiary 2 | 10 |
| Old Herok | UniqueHugeAquaticBeastWater | Pathfinder #209: Destroyer's Doom | 10 |
| Water Orm | RareHugeAquaticBeastWater | Pathfinder Monster Core 2 | 10 |
| Elemental Tsunami | HugeAquaticElementalWater | Pathfinder Monster Core | 11 |
| Elemental Tsunami | HugeAquaticElementalWater | Pathfinder #220: Crypt of Runes | 11 |
| Pelagiadaemon | UncommonLargeAquaticDaemonFiendUnholy | Pathfinder Lost Omens High Seas | 11 |
| Quoppopak | LargeAberrationAquaticEvil | Pathfinder Bestiary 2 | 11 |
| Xoxren Killiani | UniqueMediumAquaticHumanoid | Pathfinder Adventure Path: Hell's Destiny | 11 |
| Brine Dragon (Adult) | LargeAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 12 |
| Brine Dragon (Adult, Spellcaster) | LargeAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 12 |
| Dream Drowner | RareLargeAberrationAquatic | Pathfinder Adventure Path: Hell's Destiny | 12 |
| Rusalka | MediumAquaticFeyWater | Pathfinder #205: Singer, Stalker, Skinsaw Man | 12 |
| Rusalka | MediumAquaticFeyWater | Pathfinder Monster Core 2 | 12 |
| Sea Serpent | GargantuanAnimalAquatic | Pathfinder Monster Core | 12 |
| Seetangeist | UncommonHugeAquaticEvilMindlessSwarmUndeadUnholy | Pathfinder Book of the Dead | 12 |
| Stygian Serpent | GargantuanAnimalAquatic | Pathfinder Adventure Path: Hell's Destiny | 12 |
| Aquatic Viper Vine | RareLargeAquaticPlant | Pathfinder #191: The Destiny War | 13 |
| Aquatic Viper Vine | LargeAquaticPlant | Pathfinder Adventure Path: Hell's Destiny | 13 |
| Boiling Spring | LargeAquaticElementalFireWater | Pathfinder Rage of Elements | 13 |
| Evindra | UniqueMediumAquaticChaoticFeyWater | Pathfinder Kingmaker | 13 |
| Iceberg Clam | HugeAquaticElementalWater | Pathfinder Monster Core 2 | 13 |
| Nemyra | UncommonMediumAquaticFeyNymphPlant | Pathfinder Adventure Path: Hell's Destiny | 13 |
| Saltborn Stalkers | GargantuanAquaticElementalTroopWater | Pathfinder Rage of Elements | 13 |
| Tehialai-Thief-of-Ships | UniqueGargantuanAmphibiousAquaticBeastChaotic | Pathfinder Lost Omens Monsters of Myth | 13 |
| Elder Elemental Tsunami | HugeAquaticElementalWater | Pathfinder Kingmaker | 14 |
| Hooktongue | UniqueHugeAnimalAquatic | Pathfinder Kingmaker | 14 |
| Kun | UncommonGargantuanAquaticBeastColdEvilUnholy | Pathfinder #167: Ready? Fight! | 14 |
| Kun | UncommonGargantuanAquaticBeastColdUnholy | Pathfinder Lost Omens Tian Xia World Guide | 14 |
| Mammoth Squid | UncommonGargantuanAnimalAquatic | Pathfinder #218: Titanbane | 14 |
| Vidileth | RareLargeAberrationAquatic | Pathfinder Monster Core | 14 |
| Quoroc | UniqueLargeAberrationAquatic | Pathfinder #220: Crypt of Runes | 15 |
| Water Elemental Vessel | UncommonLargeAquaticElementalWater | Pathfinder #161: Belly of the Black Whale | 16 |
| Water Elemental Vessel (I2) | UncommonLargeAquaticElementalWater | Pathfinder #161: Belly of the Black Whale | 16 |
| Brine Dragon (Ancient) | UncommonHugeAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 17 |
| Brine Dragon (Ancient, Spellcaster) | UncommonHugeAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 17 |
| Lusca | UncommonGargantuanAberrationAquaticChaoticEvil | Pathfinder #161: Belly of the Black Whale | 17 |
| Vaspercham | HugeAberrationAquatic | Pathfinder Monster Core 2 | 17 |
| Baolen | UniqueGargantuanAquaticBeastMythic | Pathfinder #220: Crypt of Runes | 18 |
| Kraken | UncommonGargantuanAquaticBeast | Pathfinder Monster Core | 18 |
| Vitalia | RareLargeAberrationAquaticMindless | Pathfinder #155: Lord of the Black Sands | 18 |
| Basiri, Wellspring Keeper | UniqueLargeAquaticEvilSkeletonUndeadUnholy | Pathfinder #186: Ghost King's Rage | 19 |
| Baomal | GargantuanAberrationAquatic | Pathfinder Monster Core 2 | 20 |
| Brine Archdragon | RareGargantuanAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 20 |
| Brine Archdragon (Spellcaster) | RareGargantuanAquaticDragonElementalPrimalWater | Pathfinder Lost Omens Draconic Codex | 20 |
| Nasurgeth | GargantuanAquaticDarvakkaShadowUndeadUnholy | Pathfinder Monster Core 2 | 20 |
| Warden of Oceans and Rivers | UniqueGargantuanAquaticBeastWater | Pathfinder Howl of the Wild | 22 |