Pokemon Adventures Vol. 17 Ruby and Sapphire (manga)

On an accidental seafaring adventure in a submarine, Ruby discovers something mysterious deep beneath the waves. Then fishing nets him another Pokemon. But is his growing team bringing him closer to or farther from his dream? Next, Ruby must face his scariest opponent yet...his father! Meanwhile, Sapphire is having trouble getting in her quota of Gym battles. One Gym Leader wants to just hand her a badge without a proper fight! And another has been...kidnapped?!