Sea Anemone, Siren’s Bed

This enormous polyp is crowned with bright red-and-blue striped tentacles. A long, thin stinger darts from the center.

Siren’s Bed Anemone CR 9

XP 6,400
N Gargantuan vermin (aquatic)
Init +4; Senses blindsight 60 ft.; Perception +1


AC 23, touch 10, flat-footed 19 (+4 Dex, +13 natural, –4 size)
hp 119 (14d8+56)
Fort +13, Ref +8, Will +5
Defensive Abilities amorphous; Immune gaze attacks, mind-affecting effects, poison, sonic, vision-based attacks


Speed 10 ft.
Melee bite +16 (2d8+10 plus grab), sting +16 (2d4+10 plus poison), tentacles +11 (2d6+5 plus grab and poison)
Space 20 ft.; Reach 20 ft. (40 ft. with sting)
Special Attacks constrict (2d6+10), shriek, swallow whole (4d6+15 bludgeoning damage, AC 16, 11 hp)


Str 30, Dex 19, Con 18, Int —, Wis 13, Cha 3
Base Atk +10; CMB +24; CMD 38 (can’t be tripped)
SQ anchored, sightless (see coffin anemone)


Poison (Ex)

Sting or tentacles—injury; save Fort DC 21; frequency 1/round for 6 rounds; effect 1d4 Dex damage; cure 2 consecutive saves.

Shriek (Ex)

Once per minute as a swift action, a siren’s bed can emit a powerful shriek in 60-foot-radius burst centered on itself. All creatures within the area must succeed at a DC 21 Fortitude save or be staggered and deafened for 1d4 rounds.

This is a sonic effect. The save is Constitution-based.


Environment warm coastlines or oceans
Organization solitary, pair, or choir (3–6)
Treasure incidental

This massive anemone can emit a deafening screech that can be heard for miles under the water.

Section 15: Copyright Notice

Pathfinder Roleplaying Game Bestiary 6 © 2017, Paizo Inc.; Authors: Robert Brookes, Benjamin Bruck, John Compton, Paris Crenshaw, Adam Daigle, Crystal Frasier, James Jacobs, Thurston Hillman, Tim Hitchcock, Brandon Hodge, Jason Keeley, Isabelle Lee, Jason Nelson, Tim Nightengale, F. Wesley Schneider, David Schwartz, Mark Seifter, Todd Stewart, Josh Vogt, and Linda Zayas-Palmer.

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