50 years ago, eels’ navigation skills electrified scientists
Excerpt from the June 24, 1972 issue of Science News
In the early 1970s, scientists suspected that American eels (juveniles shown) might use electric fields to navigate. Today, research suggests the animals rely on magnetic fields.
Cornell Univ.
Does the eel use electric fields to navigate? — Science News, June 24, 1972
Many species of ocean fish [such as American eels] migrate over large distances.