This image shows a sharpnosed puffer fish in one of the 20 tanks in the wetlab where Deb Gochfeld conducted her bioassays. The bioassays consisted on feeding pureed squid to the fish and feeding pureed squid with chemical compounds to see how the fish reacted to the various chemicals. Images Courtesy of the Twilight Zone Expedition Team 2007, NOAA-OE.
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Cayman Islands Twilight Zone 2007
