TheFishSite.com | Scientists Discover Cause of Heart Failure in Fish Exposed to Oil Spills TheFishSite.com Scientists Discover Cause of Heart Failure in Fish Exposed to Oil Spills. 18 February 2014. US - Think of an oil spill, and images of fouled beaches and oil-soaked seabirds come to mind. But there are less visible effects as well. For instance, even ... |