<< Genetically identical Amazon mollies raised individually and under identical environmental conditions, nevertheless develop different personality types. Additionally, increasing the opportunity for social interactions early in life appears to have no influence of the magnitude of personality variation. >>
AA << team used the Amazon molly, a livebearing Poecilid species. These animals are natural clones, meaning all the offspring of one mother have exactly the same genetic material. >>
Same genes, same environment, different personality: Is individuality unavoidable? May 17, 2017
https://www.sciencedaily.com/releases/2017/05/170517132941.htm
David Bierbach, Kate L. Laskowski, Max Wolf. Behavioural individuality in clonal fish arises despite near-identical rearing conditions. Nature Comm. 8, Article number: 15361 (2017) doi :10.1038/ncomms15361 Publ. 17 May 2017