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  • 300 Million Year Old Fossil Fish Likely Had Color Vision
    By on December 25, 2014 | Comments Off  Comments

    westlake writes Nature is reporting the discovery of mineralized rods and cones in a 300-million-year-old fossil fish found in Kansas. The soft tissues of the eye and brain decay rapidly after death, within 64 days and 11 days, respectively, and are almost never preserved in the fossil record — making this the first discovery of fossil rods and cones in general and the first evidence for color vision in a fossilized vertebrate eye.


  • Electric Fish Turn Down Charge for Energy Efficiency
    By on September 29, 2009 | Comments Off  Comments

    Fish that use electric fields to sense their environments dim their signals to save energy during the day when they are resting.


  • Arizona Game and Fish Sued Over Death of Last Wild Jaguar
    By on September 27, 2009 | Comments Off  Comments

    They thought the jaguar had a thyroid problem so they operated and he died during the operation – turns out his thyroid was fine, he was just thirsty.