Two publications from 1988 and 1996 questioned the Idea that Atlantic salmon had been prehistorically abundant in New England, once the local climate was warmer as it is currently. This argument was generally depending on a paucity of bone facts in archaeological web sites relative to other fish species, as well as assertion that historic statement

Atlantic cod stocks are subdivided into geographically and biologically discrete populations; some becoming regionally resident,Swimming and physiological behaviours adjust in reaction to fluctuations in water temperature. Respirometry experiments exhibit that coronary heart costs of Atlantic cod improve substantially with variations in temperature