But the public doesn't stop to think that when they fertilize their lawn 14 times a year, most of that will run into the creek every time it rains. One-celled organism that can change into different 24 forms. Look for dead fish with sores and lesions. Pfiesteria-laced waters usually are foamy and the color of coffee. Skin disorders, respiratory irritation, learning disorders, memory losss and confusuion.
Symptoms can last two or three months.
No one is reported to have died from Pfiesteria exposure.