"B. R. Brown collects jelly from
the electrosensitive ampullae of a 14-ft white shark on January 19, 2001. We
thank the Pelagic Shark Research Foundation for access to this specimen, and
we thank the Steinhart Aquarium for the generous assistance with two other
deceased sharks. At this time, we have studied the ampullary jelly from three
elasmobranch species. An early description of our electroreception research
appears in the December, 2001 newsletter of the American Physical Society's
Division of Biological Physics. As of summer, 2004, we are ever more turning
our attention to exploring "electrical scene analysis." How do sharks use
signals from their hundreds of electrosensors to map out their underwater
environs?"