Scientists Find Toxin in Puffer Fish From Two Fla. Rivers; Poison Blamed for Sickening 13 People The Associated Press Published: May 18, 2002 TITUSVILLE, Fla. (AP) - Scientists investigating sickness suffered by 13 people who ate puffer fish have found a toxin in the species from two Florida rivers. Tests found saxitoxin poison was heaviest in puffers caught in the Indian River near Titusville, the Centers for Disease Control and Prevention said Friday. The toxin also was found in fish from the Banana River. On Monday, the Food and Drug Administration warned against eating puffer fish harvested from the Titusville...