When the Animals Went Electric

When the Animals Went Electric

One moment a flounder lies hidden in the sandy bottom of the ocean, the next it vanishes in the bloody frenzy of a shark’s dinner. The shark didn’t see or hear the fish; it pinpointed it from the infinitesimal electrical signals of the flounder’s beating heart. Nautilus Members enjoy an ad-free experience. Log in or Join now . This seeming superpower is called electroreception. It allows sharks to locate electric fields from a few feet away u…