Rescue centers in Southern California are overwhelmed as an early bloom of toxic algae has led to a surge in sick marine animals. Dolphins, sea lions, and sea birds are experiencing seizures and other symptoms after consuming fish and shellfish contaminated with domoic acid, a neurotoxin produced by the algae.
The Marine Mammal Care Center (MMCC) in San Pedro is operating in crisis mode, with a triage space set up to handle the influx of animals. The center is treating over 60 patients, most of whom are suffering from domoic acid toxicosis. According to Dave Bader, MMCC’s chief operating officer, the toxin can cause seizures, lethargy, and aggressive behavior in affected animals.
The current algal bloom is more severe than previous years, surpassing the 2023 crisis, and there is no immediate end in sight. Marine mammal experts warn that this outbreak could be deadlier than past events, with more than 1,000 animals having died in 2023.
Clarissa Anderson, a biological oceanographer, notes that these blooms have become more intense and longer-lasting since 2015, likely due to climate change. The toxin accumulates in small fish like sardines and anchovies, which are common food sources for marine mammals.
The MMCC is requesting donations to support the care of the affected animals and urges the public to keep a safe distance from stranded wildlife. Anyone encountering a distressed marine mammal should contact the rescue hotline at 1-800-39-WHALE.
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