Fortitude +6, Reflex +7, Will +5
Athletics +5, Stealth +7, Survival +5
Darkvision
Thalassic
Actions & Abilities
Bite
Damage: 1d6+1 Piercing
Tentacle
Damage: 1d4+1 Bludgeoning
Spear
Damage: 1d6+1 Piercing
Spear
Damage: 1d6+1 Piercing
Reactive Strike (Special)
A grindylow gains 1 extra reaction at the start of each of their turns that they can use only to make a Reactive Strike with a tentacle. They can't use more than one Reactive Strike triggered by the same action or choice.
Clinging Suckers
When a grindylow successfully Grabs a creature larger than themself, they attach to that creature. The creature is not , but if it moves, the grindylow moves with it.
If the creature is Medium or smaller, it takes a -5-foot status penalty to its Speeds while the grindylow is attached. The grindylow is while attached to a creature.
Jet
The grindylow moves up to 60 feet in a straight line through the water without triggering reactions.
Grab
Creature Abilities
Reactive Strike (Special). A grindylow gains 1 extra reaction at the start of each of their turns that they can use only to make a Reactive Strike with a tentacle. They can't use more than one Reactive Strike triggered by the same action or choice.
Clinging Suckers. When a grindylow successfully Grabs a creature larger than themself, they attach to that creature. The creature is not , but if it moves, the grindylow moves with it.
If the creature is Medium or smaller, it takes a -5-foot status penalty to its Speeds while the grindylow is attached. The grindylow is while attached to a creature.
Jet. The grindylow moves up to 60 feet in a straight line through the water without triggering reactions.
Source, license, and attribution
Source: Pathfinder Monster Core (remaster-core-2026-08-10)
This product is licensed under the ORC License located at the Library of Congress at TX 9-307-067 and available online at various locations. All warranties are disclaimed as set forth therein. Attribution: Pathfinder Monster Core (c) 2024, Paizo Inc.; Authors: Alexander Augunas, Dennis Baker, Kate Baker, Joshua Birdsong, Joseph Blomquist, Logan Bonner, Jason Bulmahn, James Case, John Compton, Paris Crenshaw, Adam Daigle, Darrin Drader, Brian Duckwitz, Robert N. Emerson, Scott Fernandez, Eleanor Ferron, Leo Glass, Matthew Goodall, BJ Hensley, Thurston Hillman, Vanessa Hoskins, James Jacobs, Jenny Jarzabski, Miko Kallio, Jason Keeley, Jeff Lee, Lyz Liddell, Luis Loza, Ron Lundeen, Robert G. McCreary, Philippe-Antoine Menard, Jacob W. Michaels, Dave Nelson, Jason Nelson, Tim Nightengale, Stephen Radney-MacFarland, Mikhail Rekun, Patrick Renie, Alex Riggs, David N. Ross, Michael Sayre, Mark Seifter, Chris S. Sims, Amber Stewart, Jeffrey Swank, William Thompson, Jason Tondro, Clark Valentine, Landon Winkler, Tonya Woldridge, and Linda Zayas-Palmer. Adaptation: Myth Meister PF2e Remaster Compendium, 2026. If you use this Adapted Licensed Material, please credit Myth Meister. The normalized rules records and rules-reference text in the Myth Meister PF2e Remaster Compendium are Adapted Licensed Material offered under the ORC License. Reserved Material in this product includes the Myth Meister name and logos, application source code, visual design and trade dress, and original campaign content. Pathfinder, Paizo, product logos, artwork, maps, trade dress, setting lore, characters, deities, locations, organizations, events, plots, and other Paizo Reserved Material are not included. Myth Meister is not affiliated with or endorsed by Paizo Inc. Expressly Designated Licensed Material: None.