GULF SPILL: BP disaster caused fish defects -- study Published: Thursday, July 10, 2014 BP PLC's 2010 Deepwater Horizon oil spill caused abnormalities in Gulf Coast fish, a study shows. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.