NATIONAL  ·   May 19, 2014

Mystery fish stumps scientists

- Scientists at Drexel University are stumped. A small subterranean catfish, Kryptoglanis shajii, is proving impossible to classify, thanks to a skeletal structure that's unlike any other. ()

- Scientists at Drexel University are stumped. A small subterranean catfish, Kryptoglanis shajii, is proving impossible to classify, thanks to a skeletal structure that's unlike any other. ()

Mystery fish stumps scientists (0:55)

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