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New fossil tells twisted tale of how flatfishes ended up with two eyes on one side of head
Date:7/9/2008

ese primitive flatfishes and the possible evolutionary forces that might have led to their bizarre anatomy. One specimen of Amphistium preserves the remains its last meal in its stomach: a fish nearly half its own length.

"It is certain that these extinct fishes were predators," Friedman said. "Many flatfishes lie in wait on their sides to ambush unsuspecting prey, but they don't always lie flatthey often prop themselves above the seafloor with their fins. It's possible that Amphistium and Heteronectes did the same, and that even incomplete asymmetry would have given them a better view of things above and around them than no asymmetry at all."


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Contact: Greg Borzo
gborzo@fieldmuseum.org
312-665-7106
Field Museum
Source:Eurekalert

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