Dungeness crab (IMAGE) University of Toronto Caption Recent research conducted at U of T Scarborough found that ocean acidification is causing Dungeness crabs to sniff less, affecting their ability to detect food odours. Credit Photo by Cosima Porteus Usage Restrictions n/a License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.