Both Sternarchorhynchus mormyrus from South America and Campylomormyrus phantasticus from Africa are weekly electric fish that evolved the ability to generate and sense electric fields. These two species also independently evolved curved jaws for bottom feeding. Electric discharges for each species are indicated. Images courtesy of Carl D. Hopkins and John Sullivan.
Click photo above for high-resolution image of electric fish.
Excerpted and adapted from: Convergent evolution of molecules in electric fish
Click
above for a sample quiz question.