survive. it s just heartbreaking seeing this. reporter: the cause sits just off the coast, in the pacific ocean. out here, scientists say a massive plbloom of toxic algae growing, stretching some 2 h miles from santa barbara to san diego and forecasted to get worse. the ocean temperature is projected to be its warmest over the next five years. that s the recipe for these blooms to become more intense. reporter: smaller feed creatures feed on the toxic algae. they in turn are eaten by larger mammals like dolphins and sea lions. these algal blooms have happened before, but this year scientists warn that the concentration of toxins in this bloom forecasted in red is leading to potential record deaths of marine life. experts liken this to waves of a tsunami watching over local beaches with even more sea lions and dolphins showing symptoms. reporter: the dolphins, lifeless once they hit the shore. the sea lions beached and
five hundred micro plastic particles which is really quite considerable but you wouldn t let this go on to give me. and tell relatively recently the researches were unaware of the extent of the problem because they didn t have a fission diagnostic tools today it s possible to filter individual particles out of the deep sea mud and to document. not a pretty sight. never be able to get rid of these tiny particles they ll end up in the food chain plastics are in the bed in the oceans. yeah to me it was born plastic tubes are. these days scientists find plastics in motion or in life where it can lead to infections and poisoning. bad news not just for this feed creatures. that monoid to these days when you eat seafood such as mussels the shrimp is a fair assumption that you are consuming micro plastics to make this.