No, it’s not an oil slick – it’s an enormous shoal of anchovies and it’s got scientists baffled

The California coastline was gripped by an epic oil spill on Tuesday. Or so it appeared. In truth the ominous dark band that formed off the coast of La Jolla, in the state’s south, was a massive school of Northern anchovies. However the anchovy aggregation has baffled scientists, who say they have not seen anything like it in the area for over 30 years, according to LA Times. Lots of photos and video here 15:52