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Terrain: Aquatic
Climate
Movement
19 creatures
| Name ▲ | CR | Type | Alignment | Size | Environment | Description |
|---|---|---|---|---|---|---|
| Aboleth | 7 | aberration | LE | Huge | any aquatic | |
| Bunyip | 3 | magical beast | N | Medium | any aquatic | A disturbing combination of shark and seal, this brown-furred creature has a wide mouth filled... |
| Charda | 7 | monstrous humanoid | CN | Small | cold aquatic or underground | Armored in dense, bony plates, this four-armed creature drools wretched strings of black bile... |
| Crab Swarm | 4 | vermin | N | Diminutive | any aquatic | |
| Devilfish | 4 | magical beast | NE | Large | any aquatic | This purple, seven-armed octopoid monstrosity is the size of a horse, with hook-lined tentacles... |
| Dragon Turtle | 9 | dragon | N | Huge | temperate aquatic | |
| Elasmosaurus | 7 | animal | N | Huge | warm aquatic | |
| Giant Crab | 2 | vermin | N | Medium | any aquatic | |
| Giant Frog | 1 | animal | N | Medium | temperate or warm marshes and aquatic | |
| Jellyfish Swarm | 6 | vermin | N | Diminutive | any aquatic | All but invisible in the water, this foul swarm of fist-sized jellyfish wriggles and writhes, a... |
| Locathah | 1/2 | humanoid | N | Medium | temperate or warm aquatic | This lean humanoid bears crested fins on its head and back, and has the wide-eyed and... |
| Nereid | 10 | fey | CN | Medium | any aquatic | This beautiful woman has pearlescent skin and long, dark hair. Her nudity is barely hidden by a... |
| Nixie | 1 | fey | N | Small | temperate aquatic | As it gracefully swims through the water, it becomes clear that this small, green-skinned... |
| Poison Frog | 1/2 | animal | N | Tiny | warm marshes and aquatic | |
| Sea Hag | 4 | monstrous humanoid | CE | Medium | any aquatic | |
| Shoggoth | 19 | ooze | CN | Huge | cold aquatic or underground | |
| Skum (Ulat-Kini) | 2 | monstrous humanoid | LE | Medium | temperate or cold aquatic or underground | |
| Tylosaurus | 8 | animal | N | Gargantuan | any aquatic (Plane of Water) | |
| Water Naga | 7 | aberration | N | Large | temperate aquatic | Slender spines and brightly colored frills stretch back from the human-like face of this massive... |