Marine life is very complex, and it is believed that we do not know the apex of what actually lives in the oceans, which are not the only places where there are aquatic ecosystems because they can also be hidden in caverns where ponds are generated. Precisely, a team of researchers was studying life in cavern ponds where fish of the genus Sinocyclocheilus endemic to China are known to inhabit, but they came across something unexpected, a never-before-seen species of unicorn fish.