Herald: COD, salmon and eels could soon become a rare sight in Irish waters, scientists warned today. And it is not necessarily because of overfishing, pollution or habitat destruction. Studies carried out by teams of scientists in Maynooth, Galway and Mayo suggest another culprit — climate change. Long term changes in the temperature and salt content of our seas may force cold water species, like salmon, into deeper colder waters. It may see them replaced with warm water fish …