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Source: Pathfinder Roleplaying Game Bestiary 2
Climate
Movement: Swim
69 creatures
| Name ▲ | CR | Type | Alignment | Size | Description |
|---|---|---|---|---|---|
| Adult Brine Dragon | 11 | dragon | LN | Large | |
| Adult Cloud Dragon | 13 | dragon | N | Huge | |
| Amoeba, Giant | 1 | ooze | N | Small | This blob of protoplasm is somewhat transparent, allowing the bones of undigested meals and a... |
| Amoeba Swarm | 1 | ooze | N | Fine | Thousands of tiny gelatinous clots of animate ooze swarm in a wet mound, surrounded by a cloying... |
| Amphisbaena | 4 | magical beast | N | Large | This large snake has two heads, one at each end of its long, coiling body. Both display large... |
| Ancient Brine Dragon | 16 | dragon | LN | Huge | |
| Ancient Cloud Dragon | 18 | dragon | N | Gargantuan | |
| Blindheim | 2 | magical beast | N | Small | The size of a short, stocky humanoid with webbed feet and claws, this frog-like creature has... |
| Bunyip | 3 | magical beast | N | Medium | A disturbing combination of shark and seal, this brown-furred creature has a wide mouth filled... |
| Carnivorous Blob | 13 | ooze | N | Colossal | Rolling and twitching like a massive wad of translucent ooze, this crimson blob reaches out... |
| Catoblepas | 12 | magical beast | N | Large | This ugly creature has a boar-like head with short antlers, a thick bullish body covered in... |
| Cetaceal | 15 | outsider | NG | Medium | |
| Charda | 7 | monstrous humanoid | CN | Small | Armored in dense, bony plates, this four-armed creature drools wretched strings of black bile... |
| Charybdis | 13 | aberration | CN | Gargantuan | An immense spiny monster, its back plated in chitin and its belly in thick folds of blubber,... |
| Compsognathus | 1/2 | animal | N | Tiny | |
| Devilfish | 4 | magical beast | NE | Large | This purple, seven-armed octopoid monstrosity is the size of a horse, with hook-lined tentacles... |
| Draugr | 2 | undead | CE | Medium | This barnacle-encrusted walking corpse looks like a zombie, but is dripping with water and gives... |
| Elder Ice Elemental | 11 | outsider | N | Huge | |
| Elder Mud Elemental | 11 | outsider | N | Huge | |
| Emperor Cobra | 5 | animal | N | Large | |
| Forest Drake | 4 | dragon | LE | Large | |
| Gar | 1 | animal | N | Medium | This long, lean fish has a muscular body and a head with long jaws filled with sharp teeth. |
| Giant Anaconda | 10 | animal | N | Gargantuan | |
| Giant Dragonfly Nymph | 3 | vermin | N | Small | |
| Giant Gar | 6 | animal | N | Huge | |
| Giant Jellyfish | 7 | vermin | N | Large | |
| Giant Snapping Turtle | 9 | animal | N | Gargantuan | |
| Giant Toad | 2 | animal | N | Large | |
| Greater Ice Elemental | 9 | outsider | N | Huge | |
| Greater Mud Elemental | 9 | outsider | N | Huge | |
| Great White Whale | 14 | animal | N | Colossal | |
| Grindylow | 1/2 | aberration | CE | Small | With a large head and numerous teeth, this unsightly creature resembles a goblin from the waist... |
| Hippocampus | 1 | magical beast | N | Large | This creature has the foreparts of a horse and the hindquarters of a fish. Its forelegs end in... |
| Huge Ice Elemental | 7 | outsider | N | Huge | |
| Huge Mud Elemental | 7 | outsider | N | Huge | |
| Hydrodaemon | 8 | outsider | NE | Large | |
| Imentesh | 10 | outsider | CN | Large | |
| Jellyfish Swarm | 6 | vermin | N | Diminutive | All but invisible in the water, this foul swarm of fist-sized jellyfish wriggles and writhes, a... |
| Keketar | 17 | outsider | CN | Large | |
| Kelpie | 4 | fey | NE | Medium | This hideous humanoid creature has slimy, transparent skin; webbed, humanoid hands; and a... |
| Lamia Matriarch | 8 | monstrous humanoid | CE | Large | This creature looks like a beautiful human woman from the waist up, but below is the body and... |
| Large Ice Elemental | 5 | outsider | N | Large | |
| Large Mud Elemental | 5 | outsider | N | Large | |
| Locathah | 1/2 | humanoid | N | Medium | This lean humanoid bears crested fins on its head and back, and has the wide-eyed and... |
| Manta Ray | 1 | animal | N | Large | |
| Marsh Giant | 8 | humanoid | CE | Large | |
| Medium Ice Elemental | 3 | outsider | N | Medium | |
| Medium Mud Elemental | 3 | outsider | N | Medium | |
| Merrow, Freshwater | 3 | humanoid | NE | Large | |
| Merrow, Saltwater | 6 | humanoid | NE | Huge | |
| Naunet | 7 | outsider | CN | Large | |
| Nereid | 10 | fey | CN | Medium | This beautiful woman has pearlescent skin and long, dark hair. Her nudity is barely hidden by a... |
| Nightwave | 20 | undead | CE | Colossal | |
| Omox | 12 | outsider | CE | Medium | |
| Piscodaemon | 10 | outsider | NE | Medium | |
| Reefclaw | 1 | aberration | CN | Small | Blood-red spines run the length of this frightening creature, which resembles a lobster in the... |
| Scylla | 16 | aberration | CE | Huge | This horrifying creature has the upper body of a beautiful woman, but a lower body of snapping... |
| Sea Drake | 6 | dragon | NE | Large | |
| Small Ice Elemental | 1 | outsider | N | Small | |
| Small Mud Elemental | 1 | outsider | N | Small | |
| Snapping Turtle | 1/3 | animal | N | Tiny | |
| Stingray | 1/2 | animal | N | Medium | |
| Triton | 2 | outsider | NG | Medium | This scaly, finned humanoid has an athletic build and blue-green coloration. Its legs end in... |
| Tylosaurus | 8 | animal | N | Gargantuan | |
| Undine | 1/2 | outsider | N | Medium | This blue-haired, blue-skinned man moves with a liquid grace. His ears are fin-like, and his... |
| Water Orm | 10 | magical beast | N | Huge | A reptilian head on a serpentine neck slowly surfaces. Shadows beneath the water hint at a body... |
| Whale | 10 | animal | N | Gargantuan | This immense whale moves slowly through the water with a grace that seems incongruous, given its... |
| Young Brine Dragon | 7 | dragon | LN | Medium | |
| Young Cloud Dragon | 9 | dragon | N | Large |