The ‘gold’ of the Midas cichlids

Source: Science Daily

Evolutionary biologists describe a new gene in the Central American Midas cichlid fish and identify a variant caused by a ‘jumping gene’ (transposon). This variant of the ‘goldentouch gene’ is most likely the reason for the golden coloration that can be found in a small percentage of animals of this species complex.

https://www.sciencedaily.com/releases/2022/01/220113111500.htm