The water is also getting warmer. Can you think why? Global Warming. What does this do? Cod like colder water, and according to Dr. Fogarty, they and many other specides are moving north. By the end of this century, unless we make a change, there will not be any cod in the waters near Cape Cod. The waters will be too warm. Cod like colder waters. Over the 45 years, our data shows that many species of fish are moving further north as time goes by, in search of the colder water they prefer. Look at the graphic on this page. The bright colored areas are where the temperature in the water is warmer than it normally is. You can learn more about global warming by watching this video.