A toxic algae bloom is injuring or killing scores of marine animals in Southern California, from fish to sea lions and dolphins.
"It is true that we are finding that there's an increase of these blooms as the oceans are warming, so definitely as a result of climate change," said Kathi Lefebvre, a research biologist at Northwest Fisheries Science Center.
A toxic algae bloom is injuring or killing scores of marine animals, from fish to sea lions and dolphins. Those found alive on the shore are ending up in the care of vets like Lauren Palmer. It's an especially bad year for the regular"red tide," as many call it. "Red tide is kind of a misnomer because it's really describing one type of algae that's reddish. But most people know that term. So what we call them are harmful algal blooms. The numbers of animals that we're seeing are very high," said Lefebvre.
At Marine Mammal Care Los Angeles, workers are trying to care for some 120 animals. It's a massive number for their operation. Workers at Channel Islands Marine and Wildlife Institute have rescued 105 sea lions in less than two months. Hundreds are poisoned with something called domoic acid, a neurotoxin from a particular kind of algae in the water.
"They get permanent brain damage. They get cell death in some place called the hippocampus, which deals with memory and spatial memory. So some of these sea lions have a permanent condition where they can no longer navigate properly," said Lefebvre."This bloom that's happening now is responsible for something called amnesic shellfish poisoning, or ASP. So shellfish are tested for those toxins and if they're too high ...
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