Sea Fishing

a small fish plays alone in a ocean,without knowing danger is coming close to him, help him survive in these dangerous waters.in this world,the stronger is the winner,this is the number one rule,avoid those enemies stronger than the small fish,or he would get eaten by those stronger enemies.This is the world for the strong,and the law of the jungle is the number one rule that every one must obey,failing to do this would result in the end of life.