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▼ Scientists have long assumed there was only one species of electric eel. (After all, who needs more?) But when a team of researchers examined more than 100 electric eels from South America’s Amazon Basin, it found that there are actually three species—one of which delivers the strongest shock ever measured in a living animal.
To come up with a definitive family tree, researchers looked at 107 eels captured in Brazil, Suriname, French Guiana, and Guyana. They analyzed the eel DNA, examined their body and bone structures, and mapped where they were caught. The data revealed three genetically separate groups with distinct geographical ranges, the researchers report today inNature Communications.Electrophorus electricuslives the farthest to (▪ ▪ ▪)
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