In a recent study published in the Journal of the Public Library of Science (PLOS ONE) in early January this year, scientists used LED lights and used special filters on the lens to the Caribbean and the western Pacific. The fish was photographed. Because these filters are capable of simulating filters in the cornea of ​​fish, scientists have found that what is seen in fish eyes may be very different from what is seen in the eyes of the human eye or other species. The results of the shooting indicate that it is possible to see special fluorescent patterns on other fish in the eyes of fish.
The study found that 180 species of fish have bioluminescent patterns, which is more than people think. Many of the reef fish with protective colors have bioluminescent patterns such as squid, lizard, squid, squid, goby and halibut. Scientists believe that these fish may use bio-fluorescence for protective camouflage or to send information to other sources. If such bioluminescence can function as a means of transmitting information, this will provide a "private" communication signal for the fish, as the bioluminescent pattern may not be visible to the hunter.
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