Pathfinder Roleplaying Game
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Type
Size
Alignment
CR
Source
Terrain
Climate
Movement: Swim

301 creatures

Name ▲ CR Type Alignment Size Speed Description
Abaia 10 magical beast N Huge 20 ft., swim 80 ft. This multi-eyed eel’s brightly colored markings shift in complex, ever-changing patterns.
Aboleth 7 aberration LE Huge 10 ft., swim 60 ft.
Adaro 3 monstrous humanoid NE Medium 10 ft., swim 50 ft. This hybrid of human and shark holds its spear menacingly, thick, glistening saliva dripping...
Adult Black Dragon 11 dragon CE Large 60 ft., fly 200 ft. (poor), swim 60 ft. Dragon (Chromatic), Black Dragon (Chromatic), Black
Adult Brine Dragon 11 dragon LN Large 60 ft., fly 200 ft. (poor), swim 60 ft.
Adult Bronze Dragon 13 dragon LG Huge 40 ft., fly 200 ft. (poor), swim 60 ft.
Adult Cloud Dragon 13 dragon N Huge 40 ft., fly 200 ft. (poor), swim 40 ft.
Adult Gold Dragon 15 dragon LG Huge 60 ft., fly 250 ft. (poor), swim 60 ft.
Adult Green Dragon 12 dragon LE Huge 40 ft., fly 200 ft. (poor), swim 40 ft.
Adult Sea Dragon 12 dragon CG Huge 40 ft., fly 200 ft. (poor), swim 80 ft.
Adult White Dragon 10 dragon CE Large 30 ft., burrow 30 ft., fly 200 ft. (poor), swim 60 ft.
Aghasura 11 outsider LE Huge 35 ft., swim 20 ft.
Ahuizotl 6 magical beast NE Large 30 ft., swim 50 ft. This bear-sized beast has a body like a squat simian, a dog’s face, and a long tail that ends in...
Akhlut 13 magical beast N Huge 40 ft., swim 60 ft. A dorsal fin rises up from the back of this immense black-and- white-furred, wolflike beast.
Alpluachra 1/2 fey CN Diminutive 10 ft., swim 10 ft. This minuscule creature resembles a newt with three tails. It’s covered in a transparent slime,...
Amoeba, Giant 1 ooze N Small 10 ft., climb 10 ft., swim 20 ft. This blob of protoplasm is somewhat transparent, allowing the bones of undigested meals and a...
Amoeba Swarm 1 ooze N Fine 10 ft., climb 10 ft., swim 20 ft. Thousands of tiny gelatinous clots of animate ooze swarm in a wet mound, surrounded by a cloying...
Amphisbaena 4 magical beast N Large 20 ft., climb 20 ft., swim 20 ft. This large snake has two heads, one at each end of its long, coiling body. Both display large...
Ancient Black Dragon 16 dragon CE Huge 60 ft., fly 200 ft. (poor), swim 60 ft.
Ancient Brine Dragon 16 dragon LN Huge 60 ft., fly 200 ft. (poor), swim 60 ft.
Ancient Cloud Dragon 18 dragon N Gargantuan 40 ft., fly 250 ft. (clumsy), swim 40 ft.
Ancient Gold Dragon 20 dragon LG Gargantuan 60 ft., fly 250 ft. (clumsy), swim 60 ft.
Ancient Green Dragon 17 dragon LE Gargantuan 40 ft., fly 250 ft. (clumsy), swim 40 ft.
Ancient Sea Dragon 17 dragon CG Gargantuan 40 ft., fly 250 ft. (clumsy), swim 100 ft.
Ancient White Dragon 15 dragon CE Huge 30 ft., burrow 30 ft., fly 200 ft. (poor), swim 60 ft.
Apkallu 23 outsider LN Large 40 ft., fly 80 ft. (average), swim 40 ft. This muscular humanoid possesses a hawk’s head and large, bird- like wings. It is dressed in...
Archelon 5 animal N Huge 15 ft., swim 50 ft.
Asurendra 20 outsider LE Huge 50 ft., climb 50 ft., fly 50 ft. (perfect), swim 50 ft.
Bagiennik 6 fey CN Small 30 ft., swim 40 ft. This small, lizardlike creature has a humanoid upper body and a long tail with frilled extensions.
Bakekujira 17 undead NE Colossal 15 ft., swim 60 ft. This hulking mass of blubber and bone looks like it was once a whale. Ghostly flames glow in...
Basilosaurus 12 animal N Gargantuan swim 40 ft.
Blindheim 2 magical beast N Small 30 ft., climb 20 ft., swim 20 ft. The size of a short, stocky humanoid with webbed feet and claws, this frog-like creature has...
Blue Whale 12 animal N Colossal swim 40 ft.
Boggard 2 humanoid CE Medium 20 ft., swim 30 ft.
Boilborn 1 ooze N Tiny 10 ft., climb 10 ft., swim 10 ft. Like some taut pustule ready to burst, this mobile wound scuttles on a bristle of slick hairs.
Bokrug 27 magical beast CN Large 50 ft., swim 120 ft., air walk
Bone Ship 18 undead CE Colossal swim 60 ft. Muscle holds together the large bones that form the hull of this ship. Rotting sails hang from...
Bull Shark 2 animal N Medium swim 60 ft.
Bunyip 3 magical beast N Medium 10 ft., swim 50 ft. A disturbing combination of shark and seal, this brown-furred creature has a wide mouth filled...
Cameroceras 11 animal N Huge 5 ft., swim 20 ft., jet 90 ft. Emerging from the open end of a long, conical shell, this huge creature’s unblinking eyes peer...
Carnivorous Blob 13 ooze N Colossal 20 ft., climb 20 ft., swim 20 ft. Rolling and twitching like a massive wad of translucent ooze, this crimson blob reaches out...
Catoblepas 12 magical beast N Large 40 ft., swim 20 ft. This ugly creature has a boar-like head with short antlers, a thick bullish body covered in...
Cecaelia 5 monstrous humanoid CN Medium 30 ft., swim 40 ft., jet 200 ft. In place of legs, this handsome humanoid sports an octopus’s eight writhing tentacles.
Ceratioidi 3 monstrous humanoid N Medium 30 ft., swim 50 ft. This flabby, fishlike humanoid has the wide mouth, bulging eyes, and dangling, luminescent flesh...
Cetaceal 15 outsider NG Medium 10 ft., swim 80 ft.
Cetus 13 dragon CN Colossal 20 ft., swim 120 ft. This enormous scaled serpent has the head of a shark, powerful claws, and a maw wide enough to...
Charda 7 monstrous humanoid CN Small 20 ft., swim 60 ft. Armored in dense, bony plates, this four-armed creature drools wretched strings of black bile...
Charybdis 13 aberration CN Gargantuan 20 ft., swim 50 ft. An immense spiny monster, its back plated in chitin and its belly in thick folds of blubber,...
Cherufe 13 magical beast NE Huge 50 ft., swim 30 ft. This towering reptilian humanoid seems to be made of obsidian scales over a molten magma core.
Chuul 7 aberration CE Large 30 ft., swim 20 ft.
Clockwork Dragon 16 construct N Huge 60 ft., fly 100 ft. (average), swim 60 ft. Though made of thousands of metal parts, this masterpiece of gleaming metal glides through the...
Clockwork Leviathan 12 construct N Huge 30 ft., swim 60 ft. Long and metallic, this serpentine construction resembles a mechanical eel with several...
Compsognathus 1/2 animal N Tiny 40 ft., swim 20 ft.
Constrictor Snake 2 animal N Medium 20 ft., climb 20 ft., swim 20 ft.
Crab Swarm 4 vermin N Diminutive 30 ft., swim 20 ft.
Crag Linnorm 14 dragon CE Gargantuan 40 ft., fly 100 ft. (average), swim 60 ft.
Crocodile 2 animal N Large 20 ft., swim 30 ft., sprint
Cthulhu 30 aberration CE Colossal 60 ft., fly 200 ft. (average), swim 60 ft.
Cuero 5 aberration N Large 10 ft., swim 40 ft. The pink, fleshy underside of this flat, aquatic creature features a large circular maw of fangs.
Dagon 28 outsider CE Huge 40 ft., swim 120 ft.
Death’s Head Jellyfish 1 vermin N Small swim 20 ft.
Deep Merfolk 3 humanoid N Medium 10 ft., swim 40 ft.
Deep One 1 monstrous humanoid CE Medium 20 ft., swim 40 ft. This lumbering creature’s gray-green hide glistens with moisture, and saliva dribbles from its...
Deep One Hybrid 1/2 humanoid CE Medium 20 ft., swim 30 ft. This elderly man’s wide-mouthed, staring countenance and webbed hands suggest a sinister taint...
Deep Sea Serpent 19 magical beast N Gargantuan 10 ft., swim 50 ft., surge 400 ft.
Devilfish 4 magical beast NE Large 10 ft., swim 40 ft., jet (240 ft.) This purple, seven-armed octopoid monstrosity is the size of a horse, with hook-lined tentacles...
Dire Crocodile 9 animal N Gargantuan 20 ft., swim 30 ft., sprint
Dire Polar Bear 8 animal N Large 40 ft., swim 20 ft.
Dire Rat 1/3 animal N Small 40 ft., climb 20 ft., swim 20 ft.
Dire Shark (Megalodon) 9 animal N Gargantuan swim 60 ft.
Divine Guardian Hydra 5 magical beast N Huge 40 ft., fly 40 ft. (perfect), swim 40 ft.
Dolphin 1/2 animal N Medium swim 80 ft.
Dragon Turtle 9 dragon N Huge 20 ft., swim 30 ft.
Drakainia 25 aberration NE Huge 50 ft., climb 30 ft., swim 30 ft. This woman’s upper body is shapely and beautiful, but her lower body is bloated, with pulsating...
Draugr 2 undead CE Medium 30 ft., swim 30 ft. This barnacle-encrusted walking corpse looks like a zombie, but is dripping with water and gives...
Drowning Devil (Sarglagon) 8 outsider LE Large 30 ft., fly 30 ft. (average), swim 40 ft.
Echeneis 1 magical beast N Small 5 ft., swim 20 ft. This thin, colorful fish has a broad, segmented sucker above its narrow mouth. A line of spines...
Elasmosaurus 7 animal N Huge 20 ft., swim 50 ft.
Elder Deep One 14 monstrous humanoid CE Gargantuan 30 ft., swim 60 ft.
Elder Fire Elemental 11 outsider N Huge 20 ft., swim 90 ft.
Elder Ice Elemental 11 outsider N Huge 20 ft., burrow (ice and snow only) 20 ft., swim 60 ft.
Elder Mud Elemental 11 outsider N Huge 20 ft., burrow 10 ft., swim 30 ft., earth glide
Elder Thing 5 aberration LN Medium 30 ft., fly 20 ft. (clumsy), swim 40 ft. This strange being has a star-shaped head and numerous writhing appendages arranged radially...
Elder Water Elemental 11 outsider N Huge 20 ft., swim 90 ft.
Electric Eel 2 animal N Small 5 ft., swim 30 ft.
Elohim 23 outsider N Huge 60 ft., fly 60 ft. (good), swim 30 ft. This one-eyed being is a strange mix of insects, fungi, and other living things shaped into a...
Emperor Cobra 5 animal N Large 30 ft., climb 30 ft., swim 30 ft.
Emperor Walrus 8 animal N Gargantuan 20 ft., swim 60 ft.
Encantado 8 fey CN Medium 30 ft., swim 80 ft. This graceful creature combines the features of a human and a river dolphin.
Faerie Dragon 2 dragon CG Tiny 10 ft., fly 60 ft. (perfect), swim 30 ft. A pair of brightly colored butterfly wings sprouts from the back of this miniature dragon. A...
Fey Giant Toad 3 fey CN Large 30 ft., fly 45 ft. (good), swim 15 ft.
Fjord Linnorm 16 dragon CE Gargantuan 30 ft., fly 100 ft. (average), swim 60 ft.
Forest Drake 4 dragon LE Large 30 ft., fly 60 ft. (average), swim 30 ft.
Fossegrim 4 fey NE Medium 30 ft., swim 40 ft., water walk This striking, blue-eyed man with luminous skin and flowing white hair holds an ethereal harp.
Freezing Flow 4 ooze N Large 20 ft., swim 20 ft. This transparent blue formation of ice is as forbidding as the serpent it resembles.
Frog Father 5 animal N Huge 30 ft., swim 30 ft. This elephantine amphibian has a grotesquely long tongue and beady eyes.
Froghemoth 13 aberration N Huge 20 ft., swim 30 ft.
Fuath 1 fey CE Tiny 20 ft., climb 10 ft., swim 30 ft.
Fungal Nymph 8 plant CG Medium 20 ft., swim 10 ft.
Galvo 9 magical beast NE Medium 30 ft., swim 30 ft. This creature is composed of dozens of electric eels tightly knotted into a slithering, humanoid...
Gar 1 animal N Medium swim 60 ft. This long, lean fish has a muscular body and a head with long jaws filled with sharp teeth.
Ghawwas 10 outsider NE Large 30 ft., swim 80 ft.
Giant Anaconda 10 animal N Gargantuan 20 ft., climb 20 ft., swim 20 ft.
Giant Crab 2 vermin N Medium 30 ft., swim 20 ft.
Giant Dragonfly Nymph 3 vermin N Small 10 ft., swim 30 ft.
Giant Frog 1 animal N Medium 30 ft., swim 30 ft.
Giant Gar 6 animal N Huge swim 60 ft.
Giant Jellyfish 7 vermin N Large swim 20 ft.
Giant Leech 2 vermin N Medium 5 ft., swim 20 ft.
Giant Mantis Shrimp 9 vermin N Medium 40 ft., swim 30 ft.
Giant Muckdweller 2 magical beast N Large 20 ft., swim 60 ft.
Giant Octopus 8 animal N Large 20 ft., swim 30 ft., jet 200 ft.
Giant Seahorse 3 animal N Large swim 30 ft.
Giant Snapping Turtle 9 animal N Gargantuan 20 ft., swim 20 ft.
Giant Squid 9 animal N Huge swim 60 ft., jet 260 ft.
Giant Toad 2 animal N Large 30 ft., swim 15 ft.
Gibbering Mouther 5 aberration N Medium 10 ft., swim 20 ft.
Globster 5 ooze N Large 20 ft., swim 40 ft. This grotesque mass of blubber and rancid flesh piles up hideously upon itself, opening a vast...
Goblin Snake 1 aberration CE Small 30 ft., burrow 5 ft., swim 20 ft. A gray, lipless goblin head with serpent’s fangs sits atop the sinuous black body of this...
Goliath Frog 3 animal N Large 30 ft., climb 20 ft., swim 30 ft.
Gorynych 15 dragon CE Huge 30 ft., fly 100 ft. (poor), swim 50 ft. This sleek, three-headed dragon rears up on its hind legs, wings spread and flames licking out...
Greater Ice Elemental 9 outsider N Huge 20 ft., burrow (ice and snow only) 20 ft., swim 60 ft.
Greater Mud Elemental 9 outsider N Huge 20 ft., burrow 10 ft., swim 30 ft., earth glide
Greater Water Elemental 9 outsider N Huge 20 ft., swim 90 ft.
Great White Shark 4 animal N Huge swim 60 ft.
Great White Whale 14 animal N Colossal swim 40 ft.
Green Hag 5 monstrous humanoid CE Medium 30 ft., swim 30 ft.
Grindylow 1/2 aberration CE Small 15 ft., swim 30 ft., jet 200 ft. With a large head and numerous teeth, this unsightly creature resembles a goblin from the waist...
Grodair 5 magical beast CN Medium 30 ft., swim 60 ft. Several water-dripping tentacles sprout from this four-eyed fish’s belly, while long fins...
Grootslang 16 magical beast CE Gargantuan 40 ft., swim 30 ft. This enormous beast has the combined features of an elephant and a serpent. Its tremendous maw...
Guardian Dragon 24 dragon N Gargantuan 50 ft., climb 30 ft., fly 200 ft. (average), swim 30 ft. This immense dragon coils its long, serpentine body beneath spreading wings, its eyes glittering...
Haniver 1/2 fey N Tiny 10 ft., fly 20 ft. (average), swim 20 ft.
Heikegani 4 aberration NE Small 30 ft., swim 20 ft. The carapace of this large crab resembles a scowling face, its eyes seething with an ancient fury.
Hezrou 11 outsider CE Large 30 ft., swim 30 ft.
Hippocampus 1 magical beast N Large 5 ft., swim 60 ft. 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 20 ft., burrow (ice and snow only) 20 ft., swim 60 ft.
Huge Mud Elemental 7 outsider N Huge 20 ft., burrow 10 ft., swim 30 ft., earth glide
Huge Water Elemental 7 outsider N Huge 20 ft., swim 90 ft.
Hungry Flesh 3 ooze N Large 20 ft., swim 20 ft. A quivering pile of tumorous flesh, this creature leaves a trail of slime as it hungrily...
Hydra 4 magical beast N Huge 20 ft., swim 20 ft.
Hydrodaemon 8 outsider NE Large 30 ft., fly 40 ft. (average; see glide, below), swim 60 ft.
Ice Linnorm 17 dragon CE Colossal 40 ft., climb 40 ft., fly 100 ft. (average), swim 40 ft.
Ichthyocentaur 5 monstrous humanoid N Large 5 ft., swim 60 ft. This creature has an athletic human torso from the waist up, but its lower body consists of two...
Iku-Turso 8 aberration NE Medium 20 ft., swim 60 ft. This grotesque, emerald-scaled creature resembles a crossbreed of an eel, a viperfish, and a...
Imentesh 10 outsider CN Large 30 ft., fly 30 ft. (perfect), swim 30 ft.
Incutilis 2 aberration LE Tiny 5 ft., climb 5 ft., swim 60 ft. This strange nautilus drags itself forward on oversized tentacles, its crimson-streaked flesh...
Isonade 15 magical beast CE Gargantuan swim 100 ft. This massive horror looks like a shark protected by a crab carapace, with a tail, flanks, and...
Jellyfish Swarm 6 vermin N Diminutive swim 20 ft. All but invisible in the water, this foul swarm of fist-sized jellyfish wriggles and writhes, a...
Jorogumo 12 monstrous humanoid NE Medium 30 ft., climb 50 ft., swim 40 ft. Eight spindly spider legs, flocked with coarse black hairs, stretch from the back of this...
Julunggali 21 magical beast N Colossal 40 ft., burrow 40 ft., fly 20 ft. (average), swim 90 ft. Resplendent lilac and white scales adorn this gigantic serpent. A number of sharp, short horns...
Kappa 2 monstrous humanoid CN Small 20 ft., swim 40 ft. This humanoid turtle crouches near the water, a suspicious look in its eyes. The top of its...
Karkinoi 6 monstrous humanoid CE Large 30 ft., swim 40 ft., sideways scuttle This hulking mix of ogre and crab has one huge pincer that snaps menacingly, while its other arm...
Kawa Akago 3 plant N Small 20 ft., swim 30 ft. This combination of a lily pad and a flytrap is ringed with horrifying fangs and has another...
Keketar 17 outsider CN Large 40 ft., fly 40 ft. (perfect), swim 40 ft.
Kelpie 4 fey NE Medium 40 ft., swim 40 ft. This hideous humanoid creature has slimy, transparent skin; webbed, humanoid hands; and a...
Ketesthius 13 magical beast LE Gargantuan 20 ft., swim 40 ft. This enormous wolf-headed sea serpent’s maw leads into what seems to be an endless expanse within.
Killer Seahorse 5 animal N Huge swim 40 ft.
Kraken 18 magical beast NE Gargantuan 10 ft., swim 40 ft., jet 280 ft.
Lamia Matriarch 8 monstrous humanoid CE Large 40 ft., climb 40 ft., swim 40 ft. 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 20 ft., burrow (ice and snow only) 20 ft., swim 60 ft.
Large Mud Elemental 5 outsider N Large 20 ft., burrow 10 ft., swim 30 ft., earth glide
Large Water Elemental 5 outsider N Large 20 ft., swim 90 ft.
Leech Swarm 4 vermin N Diminutive 5 ft., swim 30 ft.
Lizardfolk 1 humanoid N Medium 30 ft., swim 15 ft.
Locathah 1/2 humanoid N Medium 10 ft., swim 60 ft. This lean humanoid bears crested fins on its head and back, and has the wide-eyed and...
Lorelei 12 aberration NE Large 20 ft., climb 20 ft., swim 20 ft. This strange creature appears to be a gigantic human head carved from stone, with thick...
Lukwata 11 magical beast N Huge swim 40 ft. A long, spiny fin runs down the length of the dolphinlike body of this eel-headed predator.
Lusca 17 magical beast CE Gargantuan 10 ft., swim 40 ft., jet 200 ft. This beast has three sharklike heads on short, scaly necks, while its lower body appears to be...
Makara Vahana 9 magical beast N Huge 70 ft., swim 70 ft.
Manta Ray 1 animal N Large swim 60 ft.
Marid 9 outsider CN Large 20 ft., swim 60 ft.
Marsh Giant 8 humanoid CE Large 40 ft., swim 20 ft.
Medium Ice Elemental 3 outsider N Medium 20 ft., burrow (ice and snow only) 20 ft., swim 60 ft.
Medium Mud Elemental 3 outsider N Medium 20 ft., burrow 10 ft., swim 30 ft., earth glide
Medium Water Elemental 3 outsider N Medium 20 ft., swim 90 ft.
Megalania 7 animal N Huge 30 ft., swim 30 ft.
Merfolk 1/3 humanoid N Medium 5 ft., swim 50 ft.
Merrow, Freshwater 3 humanoid NE Large 40 ft., swim 40 ft.
Merrow, Saltwater 6 humanoid NE Huge 40 ft., swim 40 ft.
Mobogo 10 magical beast CE Huge 30 ft., fly 30 ft. (clumsy), swim 40 ft. This grotesque creature looks like a gigantic toad with leathery wings, fangs, horns, and three...
Mogaru 28 magical beast CN Colossal 100 ft., swim 100 ft.
Monitor Lizard 2 animal N Medium 30 ft., swim 30 ft.
Muckdweller 1/4 magical beast N Small 10 ft., swim 30 ft. This bipedal lizard has mottled gray-and-brown flesh. A short dorsal fin runs the length of its...
Mudlord 6 outsider N Medium 30 ft., swim 40 ft. This fluid creature’s roughly humanoid form is composed entirely of thick gobbets of soggy, brown mud.
Narwhal 3 animal N Large swim 80 ft.
Naunet 7 outsider CN Large 30 ft., fly 30 ft. (perfect), swim 30 ft.
Nereid 10 fey CN Medium 30 ft., swim 60 ft. This beautiful woman has pearlescent skin and long, dark hair. Her nudity is barely hidden by a...
Nightwave 20 undead CE Colossal fly 60 ft. (good), swim 60 ft.
Ningen 16 monstrous humanoid N Colossal 10 ft., swim 80 ft. This enormous flippered creature is as pale as an iceberg and is nearly as large.
Ningyo 1 monstrous humanoid NE Small 20 ft., swim 40 ft. This dog-sized creature combines the upper half of a deformed monkey with the lower half of a...
Nixie 1 fey N Small 20 ft., swim 30 ft. As it gracefully swims through the water, it becomes clear that this small, green-skinned...
Nuckelavee 9 fey NE Large 50 ft., swim 50 ft. This skinless creature resembles a horse and its humanoid rider, fused into a single hideous...
Nycar 2 dragon CN Tiny 30 ft., swim 30 ft. This cruel-looking serpent is about the size of a housecat, with two forearms and...
Nymph 7 fey CG Medium 30 ft., swim 20 ft.
Ocean Giant 14 humanoid CG or CE Huge 50 ft., swim 40 ft.
Oceanid 7 fey CN Medium 20 ft., swim 80 ft. This beautiful woman is clad only in sea foam and her long, white hair, which cascades over her body.
Octopus 1 animal N Small 20 ft., swim 30 ft., jet 200 ft.
Omox 12 outsider CE Medium 40 ft., climb 20 ft., swim 80 ft.
Ophiotaurus 17 magical beast N Gargantuan 30 ft., swim 30 ft. This enormous russet serpent has the head and forequarters of a ruddy bull with bronze horns and hooves.
Orca 5 animal N Huge swim 80 ft.
Otter 1/4 animal N Tiny 20 ft., swim 30 ft.
Pazuzu 30 outsider CE Large 30 ft., fly 30 ft. (average), swim 40 ft.
Peluda 10 dragon NE Large 30 ft., swim 30 ft. This long-necked dragon has steamy breath, a lashing tail, and a back covered in hundreds of quills.
Penguin 1/3 animal N Small 10 ft., swim 40 ft., toboggan 30 ft.
Piscodaemon 10 outsider NE Medium 30 ft., swim 50 ft.
Plankta 17 aberration NE Colossal 10 ft., swim 30 ft. The shattered remnants of buildings and statues can be seen in this shuddering mass of wet, rugged rock.
Platypus 1/6 animal N Tiny 10 ft., swim 40 ft.
Plesiosaurus 2 animal N Large 5 ft., swim 60 ft.
Poison Frog 1/2 animal N Tiny 10 ft., swim 20 ft.
Polar Bear 5 animal N Large 40 ft., swim 20 ft.
Purple Worm 12 magical beast N Gargantuan 20 ft., burrow 20 ft., swim 10 ft.
Putrid Ooze 11 ooze N Huge 30 ft., climb 20 ft., swim 30 ft. Masses of carrion and debris break the inky surface of this enormous, undulating sludge.
Qallupilluk 7 monstrous humanoid LE Medium 30 ft., swim 40 ft. This hag’s lumpy hide, tangled black hair, and ragged garments drip with icy water, though she...
Raktavarna 2 outsider LE Tiny 20 ft., climb 20 ft., swim 20 ft.
Rat 1/4 animal N Tiny 15 ft., climb 15 ft., swim 15 ft.
Rat King 5 magical beast N Small 30 ft., climb 15 ft., swim 15 ft. Squeaks and chittering cries rise from a tangle of diseased rats with their tails knotted together.
Ratling 2 magical beast CE Tiny 30 ft., burrow 10 ft., climb 20 ft., swim 30 ft. This ratlike creature has tiny human hands in place of its front paws, and an unnerving human...
Rat Plague Swarm 11 magical beast LE Tiny 30 ft., climb 30 ft., swim 30 ft.
Rat Swarm 2 animal N Tiny 15 ft., climb 15 ft., swim 15 ft.
Reefclaw 1 aberration CN Small 5 ft., swim 40 ft. Blood-red spines run the length of this frightening creature, which resembles a lobster in the...
Riftcreeper 15 ooze CE Gargantuan 30 ft., climb 30 ft., swim 20 ft., gelatinous surge This slithering mass of bubbling red ooze extrudes a nest of long, thin tendrils, as if tasting...
River Drake 3 dragon NE Medium 20 ft., fly 60 ft. (average), swim 30 ft.
Rusalka 12 fey NE Medium 30 ft., swim 60 ft. This beguiling female figure is partly obscured by long flowing hair that dances and flows...
Sahuagin 2 monstrous humanoid LE Medium 30 ft., swim 60 ft.
Sapphire Jellyfish 11 vermin N Huge swim 30 ft.
Sargassum Fiend 9 plant N Large 20 ft., climb 20 ft., swim 40 ft. This shifting mass of green seaweed transforms from the shape of a humanoid back to a patch of...
Scylla 16 aberration CE Huge 30 ft., fly 60 ft. (good), swim 50 ft. This horrifying creature has the upper body of a beautiful woman, but a lower body of snapping...
Sea Bonze 15 undead NE Gargantuan 40 ft., swim 80 ft. Massive and blacker than the darkest depths of the sea, this colossal watery form glares with...
Sea Cat 4 magical beast N Large 10 ft., swim 40 ft. This fierce creature merges the front half of a great cat with the tail and other...
Sea Drake 6 dragon NE Large 20 ft., fly 60 ft. (average), swim 60 ft.
Sea Hag 4 monstrous humanoid CE Medium 30 ft., swim 40 ft.
Seal 1/3 animal N Small 10 ft., swim 60 ft.
Sea Serpent 12 magical beast N Gargantuan 20 ft., swim 60 ft.
Seaweed Leshy 3 plant N Small 20 ft., swim 20 ft.
Seaweed Siren 13 magical beast CN Large 30 ft., swim 30 ft. This creature’s three singing heads sway atop serpentine necks that extend from a bulbous body...
Selkie 5 monstrous humanoid CN Medium 20 ft., swim 50 ft. This sleek, aquatic creature has short gray fur, webbed hands ending in sharp claws, and a mouth...
Shambling Mound 6 plant N Large 20 ft., swim 20 ft.
Shark 2 animal N Large swim 60 ft.
Shark-Eating Crab 7 vermin N Huge 30 ft., swim 60 ft.
Shen 24 dragon N Gargantuan 50 ft., fly 250 ft. (average), swim 80 ft. This serpentine dragon with gold scales constantly contorts into a pattern of rings and knots.
Shipwrecker Crab 13 vermin N Colossal 30 ft., swim 40 ft.
Shocker Lizard 2 magical beast N Small 40 ft., climb 20 ft., swim 20 ft.
Shoggoth 19 ooze CN Huge 50 ft., climb 30 ft., swim 50 ft.
Siyokoy 10 aberration N Medium 30 ft., swim 60 ft. This eel-like creature sports sharp frills that run along the back of humanoid torso and down...
Skum (Ulat-Kini) 2 monstrous humanoid LE Medium 20 ft., swim 40 ft.
Small Ice Elemental 1 outsider N Small 20 ft., burrow (ice and snow only) 20 ft., swim 60 ft.
Small Mud Elemental 1 outsider N Small 20 ft., burrow 10 ft., swim 30 ft., earth glide
Small Water Elemental 1 outsider N Small 20 ft., swim 90 ft.
Snake Swarm 2 animal N Tiny 20 ft., climb 20 ft., swim 20 ft. Hissing menacingly, this mass of snakes resembles a pile of slithering tentacles.
Snapping Turtle 1/3 animal N Tiny 10 ft., swim 20 ft.
Spinosaurus 11 animal N Gargantuan 40 ft., swim 30 ft.
Spirit Naga 9 aberration CE Large 40 ft., swim 20 ft.
Squid 1 animal N Medium swim 60 ft., jet 240 ft.
Star-Spawn of Cthulhu 20 aberration CE Huge 40 ft., fly 60 ft. (average), swim 40 ft. A mountainous form, this hideous creature is humanoid in general shape, but its hateful face is...
Stingray 1/2 animal N Medium swim 40 ft.
Storm Giant 13 humanoid CG Huge 50 ft., swim 40 ft. (35 ft., swim 30 ft. in armor)
Stranglereed 9 plant N Large 5 ft., climb 10 ft., swim 20 ft. This tangled mass of thick reeds extends from a bulbous pod split by a wide, thorn-toothed maw.
Taiga Linnorm 19 dragon CE Colossal 40 ft., fly 100 ft. (average), swim 60 ft.
Tarn Linnorm 20 dragon CE Colossal 40 ft., fly 100 ft. (average), swim 80 ft.
Terraformer 7 construct N Large 30 ft., burrow 20 ft., climb 30 ft., fly 10 ft. (clumsy), swim 20 ft.
Thalassic Behemoth 20 magical beast N Colossal 20 ft., swim 200 ft.
Tizheruk 5 magical beast N Large 10 ft., swim 40 ft. This serpentine beast undulates through the water. Its scaly skin and its flesh are clear,...
Tojanida 5 outsider N Medium 10 ft., swim 90 ft. This creature resembles a cross between a turtle and a crab, with flippers instead of legs, a...
Tor Linnorm 21 dragon CE Colossal 40 ft., climb 40 ft., fly 100 ft. (average), swim 60 ft.
Trilobite 1/4 vermin N Tiny 20 ft., swim 30 ft.
Triton 2 outsider NG Medium 5 ft., swim 40 ft. This scaly, finned humanoid has an athletic build and blue-green coloration. Its legs end in...
Tunche 17 fey CN Huge 50 ft., climb 20 ft., swim 20 ft., feather step Standing on three legs, this creature is a mix of dangerous jungle animals and plants fused into...
Tupilaq 7 construct N Small 30 ft., swim 60 ft. This small humanoid figure grinds and clatters as it moves, its body carved from bones decorated...
Tylosaurus 8 animal N Gargantuan 20 ft., swim 50 ft.
Undigested 1/4 undead NE Tiny 30 ft., climb 20 ft., swim 20 ft. A jumble of melted bones and skull fragments float amid an oozing brown and yellow slurry.
Undigested Swarm 5 undead NE Tiny 30 ft., climb 20 ft., swim 20 ft. This brown-and-yellow sludge appears to be made of multiple smaller globules churning in a...
Undine 1/2 outsider N Medium 30 ft., 20 ft. in armor, swim 30 ft. This blue-haired, blue-skinned man moves with a liquid grace. His ears are fin-like, and his...
Uraeus 5 magical beast LG Medium 20 ft., climb 20 ft., fly 50 ft. (average), swim 20 ft. This two-headed cobra flies with a large pair of sleek, black- feathered wings that sprout from...
Venomous Snake 1 animal N Medium 20 ft., climb 20 ft., swim 20 ft.
Venomous Snake Swarm 4 animal N Tiny 20 ft., climb 20 ft., swim 10 ft.
Viper 1/2 animal N Tiny 20 ft., climb 20 ft., swim 20 ft.
Vishap 19 dragon N Colossal 50 ft., fly 200 ft. (average), swim 100 ft., ley swim This slender dragon is covered in vivid cerulean scales with four powerful wings to match.
Vodyanoi 5 monstrous humanoid CN Medium 30 ft., swim 50 ft. This humanoid salamander carries a gnarled staff in one hand. Tendrils drape its chin,...
Voonith 4 magical beast CN Small 30 ft., swim 50 ft. This brightly colored, long-necked amphibian has six legs, a fanged snout, and numerous finlets...
Vouivre 12 monstrous humanoid CE Large 30 ft., fly 40 ft. (poor), swim 50 ft. One half of this creature is a nude woman, and the other is the front end of a slithering, winged dragon.
Wakandagi 14 outsider NG Large 40 ft., swim 80 ft. This antlered beast combines the features of an elegant deer and a slithering serpent.
Walrus 3 animal N Large 10 ft., swim 40 ft. Two long tusks jut from the mouth of this bulky, bewhiskered creature. It walks clumsily on...
Water Leaper 2 magical beast CN Small 20 ft., fly 20 ft. (clumsy), swim 30 ft. This vicious monster has webbed wings, a mouth full of sharp teeth, and a long tail ending a...
Water Naga 7 aberration N Large 30 ft., swim 50 ft. Slender spines and brightly colored frills stretch back from the human-like face of this massive...
Water Orm 10 magical beast N Huge 20 ft., swim 50 ft. A reptilian head on a serpentine neck slowly surfaces. Shadows beneath the water hint at a body...
Water Veela 7 outsider N Medium 30 ft., swim 30 ft.
Water Wysp 2 outsider N Tiny 30 ft., swim 90 ft.
Water Yai 18 outsider CE Huge 50 ft., fly 60 ft. (good), swim 60 ft.
Werebat (Human Form) 3 humanoid NE Medium 30 ft., swim 20 ft., sprint
Werecrocodile (Human Form) 3 humanoid NE Medium 30 ft., swim 20 ft., sprint
Whale 10 animal N Gargantuan swim 40 ft. This immense whale moves slowly through the water with a grace that seems incongruous, given its...
Wizard’s Shackle 1/2 aberration N Tiny 5 ft., swim 30 ft. This eel-like creature has a thick, greasy body and a large, circular mouth full of tiny teeth.
Yamaraj 20 outsider N Huge 40 ft., fly 60 ft. (good), swim 40 ft.
Young Black Dragon 7 dragon CE Medium 60 ft., fly 150 ft. (average), swim 60 ft.
Young Brine Dragon 7 dragon LN Medium 60 ft., fly 150 ft. (average), swim 60 ft.
Young Bronze Dragon 9 dragon LG Large 40 ft., fly 200 ft. (poor), swim 60 ft.
Young Cloud Dragon 9 dragon N Large 40 ft., fly 200 ft. (poor), swim 40 ft.
Young Gold Dragon 11 dragon LG Large 60 ft., fly 200 ft. (poor), swim 60 ft.
Young Green Dragon 8 dragon LE Large 40 ft., fly 200 ft. (poor), swim 40 ft.
Young Sea Dragon 8 dragon CG Large 40 ft., fly 200 ft. (poor), swim 60 ft.
Young White Dragon 6 dragon CE Medium 30 ft., burrow 30 ft., fly 150 ft. (average), swim 60 ft.