The fossil of a tiny fish found in southwestern Alberta, Canada, provides new insight into the origin and evolution of otophysans, the supergroup of fish that includes catfish, carp and tetras—which account for two-thirds of all freshwater species today. The specimen, located well inland from any seashore, was studied by researchers at Western University and […] The post Tiny Prehistoric Fish Fossil Rewrites Evolution With Clues for Mysterious Origins of Catfish and Carp appeared first on...