From Pathfinder Lost Omens Cheliax, Infernal Inheritance, which isn't enabled.

Murd Bugbear

HERITAGE

Your blueish-brown fur helps you blend into swamps, rivers, and coastlines. Your webbed hands and feet enable you to move through those same terrains. You gain a swim Speed of 10 feet. Additionally, you gain a +2 circumstance bonus to Hide or Sneak in aquatic environments.

Pathfinder Lost Omens Cheliax, Infernal InheritanceORC