There is a shark species that glow in the dark

Other interesting creatures from the animal kingdom are sharks. Well, not only is their behavior really interesting, but they also have fascinating features, such as glowing in the dark. Well, not all shark species have this super power, but only the swell sharks.

Researchers have discovered that “previously unknown small-molecule metabolites are the cause of the green glow,” according to CNN. This glow “helps sharks identify each other and even fight against infection on a microbial level.”