You can cast your spells underwater or into water with little difficulty.
Benefit: An aquatic spell functions normally underwater and requires no caster level check to cast, even if it has the fire descriptor. In addition, the spell can be cast from the surface into water and still be effective.
Level Increase: +1 (an aquatic spell uses up a spell slot 1 level higher than the spell’s actual level.)
Pathfinder Roleplaying Game Ultimate Wilderness © 2017, Paizo Inc.; Authors: Alexander Augunas, John Bennett, Robert Brookes, John Compton, Dan Dillon, Steven T. Helt, Thurston Hillman, Eric Hindley, Mikko Kallio, Jason Keeley, Isabelle Lee, Jason Nelson, Stephen Radney-MacFarland, Alex Riggs, David N. Ross, David Schwartz, Mark Seifter, Jeffery Swank, and Linda Zayas-Palmer.