15 Bizarre Ways Marine Life Uses Sound, Light, and Electricity to Communicate

2. The Flashing Patterns of Firefly Squid

Firefly squid use complex bioluminescent displays to attract mates and communicate with potential predators and peers. Their synchronized flashing can be seen in massive aggregations along Japan’s coast, creating a mesmerizing light show. This sort of group communication helps with both mating and deterrence. Details are found on Smithsonian Magazine.