Whatβs Killing Endangered Sawfish in Florida? NYT: Science By: Patricia Mazzei 16 April 2024 at 10:04 First, fish off the Florida Keys started swimming in spirals or upside down. Then, endangered sawfish started dying. Scientists are racing to figure out why. Β© Scott McIntyre for The New York TimesRoss Boucek is a biologist with the Bonefish & Tarpon Trust, a nonprofit conservation group.