Science: Acidifying ocean watera byproduct of increased carbon dioxide in the atmospheremesses with saltwater fish in a variety of ways. Rockfish become more nervous. Clownfish cant always detect predators, whereas the brown dottyback actually avoids the smell of injured prey. But it turns out that saltwater fish arent the only ones affected. Pink salmon reared in CO2-rich fresh water showed many of the same signs as their marine brethren, according to a study published today in the journal Nature Climate...