A funny thing happened on the way to the endangered species list. Five years ago the Center for Biological Diversity (CBD) petitioned to protect an Appalachian crayfish species under the U.S.
Freshwater mussels have a particularly unusual system of reproduction. Males release their sperm into the water with the hope that a nearby female will siphon them up to fertilize her eggs.
TULSA, Okla.–As the rate of unexplained drowning deaths has reportedly crept up in Oklahoma’s placid lakes, some observers have turned to an unusual explanation: a freshwater octopus.
Few reptiles can breathe underwater. Australia is home to one of the exceptions, the white-throated snapping turtle (Elseya albagula), which can extract oxygen from water through its backside via a process called cloacal respiration.