Other notable freshwater species that are threatened are the European eel, which is critically endangered, and several freshwater crustacean species in the Southeast United States, Sayer said.
Cirrhimuraena taiwanensis, a new species of eel discovered in Taiwan. Photo by Chien-Hsiang Lin and Hsin-Wei Liu from the Biodiversity Research Center, Academia Sinica A snake eel with a fleshy ...