(Combat)
You use projectiles and special trick shots that lose less accuracy when underwater.
Prerequisites
Far Shot,
Precise Shot, base attack bonus +4.
Benefit
Your projectile attacks take a -1 penalty per 5 feet of water between you and the target. You still can't use thrown weapons effectively underwater except in special circumstances .
Normal
Projectile attacks underwater take a -2 penalty per 5 feet of water between the shooter and the target.