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Source: Pathfinder Roleplaying Game Bestiary 4
Climate
Movement: Swim
51 creatures
| Name ▲ | CR | Type | Alignment | Size | Description |
|---|---|---|---|---|---|
| Abaia | 10 | magical beast | N | Huge | This multi-eyed eel’s brightly colored markings shift in complex, ever-changing patterns. |
| Alpluachra | 1/2 | fey | CN | Diminutive | This minuscule creature resembles a newt with three tails. It’s covered in a transparent slime,... |
| Bakekujira | 17 | undead | NE | Colossal | This hulking mass of blubber and bone looks like it was once a whale. Ghostly flames glow in... |
| Boilborn | 1 | ooze | N | Tiny | Like some taut pustule ready to burst, this mobile wound scuttles on a bristle of slick hairs. |
| Bokrug | 27 | magical beast | CN | Large | |
| Bull Shark | 2 | animal | N | Medium | |
| Clockwork Dragon | 16 | construct | N | Huge | Though made of thousands of metal parts, this masterpiece of gleaming metal glides through the... |
| Cthulhu | 30 | aberration | CE | Colossal | |
| Dagon | 28 | outsider | CE | Huge | |
| Divine Guardian Hydra | 5 | magical beast | N | Huge | |
| Drakainia | 25 | aberration | NE | Huge | This woman’s upper body is shapely and beautiful, but her lower body is bloated, with pulsating... |
| Drowning Devil (Sarglagon) | 8 | outsider | LE | Large | |
| Elder Thing | 5 | aberration | LN | Medium | This strange being has a star-shaped head and numerous writhing appendages arranged radially... |
| Elohim | 23 | outsider | N | Huge | This one-eyed being is a strange mix of insects, fungi, and other living things shaped into a... |
| Emperor Walrus | 8 | animal | N | Gargantuan | |
| Fossegrim | 4 | fey | NE | Medium | This striking, blue-eyed man with luminous skin and flowing white hair holds an ethereal harp. |
| Freezing Flow | 4 | ooze | N | Large | This transparent blue formation of ice is as forbidding as the serpent it resembles. |
| Fungal Nymph | 8 | plant | CG | Medium | |
| Galvo | 9 | magical beast | NE | Medium | This creature is composed of dozens of electric eels tightly knotted into a slithering, humanoid... |
| Giant Seahorse | 3 | animal | N | Large | |
| Great White Shark | 4 | animal | N | Huge | |
| Guardian Dragon | 24 | dragon | N | Gargantuan | This immense dragon coils its long, serpentine body beneath spreading wings, its eyes glittering... |
| Haniver | 1/2 | fey | N | Tiny | |
| Hungry Flesh | 3 | ooze | N | Large | A quivering pile of tumorous flesh, this creature leaves a trail of slime as it hungrily... |
| Incutilis | 2 | aberration | LE | Tiny | This strange nautilus drags itself forward on oversized tentacles, its crimson-streaked flesh... |
| Julunggali | 21 | magical beast | N | Colossal | Resplendent lilac and white scales adorn this gigantic serpent. A number of sharp, short horns... |
| Karkinoi | 6 | monstrous humanoid | CE | Large | This hulking mix of ogre and crab has one huge pincer that snaps menacingly, while its other arm... |
| Killer Seahorse | 5 | animal | N | Huge | |
| Lorelei | 12 | aberration | NE | Large | This strange creature appears to be a gigantic human head carved from stone, with thick... |
| Mogaru | 28 | magical beast | CN | Colossal | |
| Mudlord | 6 | outsider | N | Medium | This fluid creature’s roughly humanoid form is composed entirely of thick gobbets of soggy, brown mud. |
| Ningyo | 1 | monstrous humanoid | NE | Small | This dog-sized creature combines the upper half of a deformed monkey with the lower half of a... |
| Nycar | 2 | dragon | CN | Tiny | This cruel-looking serpent is about the size of a housecat, with two forearms and... |
| Ocean Giant | 14 | humanoid | CG or CE | Huge | |
| Oceanid | 7 | fey | CN | Medium | This beautiful woman is clad only in sea foam and her long, white hair, which cascades over her body. |
| Pazuzu | 30 | outsider | CE | Large | |
| Peluda | 10 | dragon | NE | Large | This long-necked dragon has steamy breath, a lashing tail, and a back covered in hundreds of quills. |
| Platypus | 1/6 | animal | N | Tiny | |
| Qallupilluk | 7 | monstrous humanoid | LE | Medium | This hag’s lumpy hide, tangled black hair, and ragged garments drip with icy water, though she... |
| Rat King | 5 | magical beast | N | Small | Squeaks and chittering cries rise from a tangle of diseased rats with their tails knotted together. |
| Ratling | 2 | magical beast | CE | Tiny | This ratlike creature has tiny human hands in place of its front paws, and an unnerving human... |
| Sea Cat | 4 | magical beast | N | Large | This fierce creature merges the front half of a great cat with the tail and other... |
| Seaweed Siren | 13 | magical beast | CN | Large | This creature’s three singing heads sway atop serpentine necks that extend from a bulbous body... |
| Selkie | 5 | monstrous humanoid | CN | Medium | This sleek, aquatic creature has short gray fur, webbed hands ending in sharp claws, and a mouth... |
| Star-Spawn of Cthulhu | 20 | aberration | CE | Huge | A mountainous form, this hideous creature is humanoid in general shape, but its hateful face is... |
| Tunche | 17 | fey | CN | Huge | Standing on three legs, this creature is a mix of dangerous jungle animals and plants fused into... |
| Vouivre | 12 | monstrous humanoid | CE | Large | One half of this creature is a nude woman, and the other is the front end of a slithering, winged dragon. |
| Walrus | 3 | animal | N | Large | Two long tusks jut from the mouth of this bulky, bewhiskered creature. It walks clumsily on... |
| Werebat (Human Form) | 3 | humanoid | NE | Medium | |
| Werecrocodile (Human Form) | 3 | humanoid | NE | Medium | |
| Yamaraj | 20 | outsider | N | Huge |