Bioluminescent waves are back in Southern California. Head to Oxnard, Malibu, Laguna Beach and Newport Beach at night for a glimpse of the natural phenomenon, caused by dinoflagellate algae that’s red during the day — but glows blue at night. Researchers say that dinoflagellate, a type of phytoplankton, are able to gather in such high densities because of an exceptional ability to swim. “In the plankton world, they are Michael Phelps,” one scientist said.