The smalltooth sawfish, a critically endangered animal, is in even more danger than usual in the Florida seas. Six of the rare creatures washed up dead in the past seven days, officials reported Wednesday – a dramatic increase in mortality amid a mysterious die-off that has baffled scientists for months. These animals that look like a shark with a chainsaw-like mouth, are a part of a group of fish called elasmobranchs that include rays, skates and sharks, and they can live for several decades... Read this story
