As the fight begins to warm up, Arlong asks Luffy if he knew what the difference is between them. Luffy thinks it's the noses, chins, and web hands. Arlong corrected him that it's their nationalities. As he uses his shark bite attacks on Luffy, he monologues that they were put on this plant with their own differences. And since then Arlong believes that Mermen deserve to be the dominate creatures on the plant, because of what they could do and what humans can't do. He finds Luffy to be a lousy captain and can't even swim making him weak. Luffy didn't care if his teeth...