“…We open this issue with an exclusive A Model for Life interview between Jeroen Bakkers and Didier Stainier ( Stainier and Bakkers, 2023 ), in which they discuss, among other topics, the zebrafish model and its advantages and disadvantages. Both scientists are leading experts in using zebrafish to model heart development, disease and regeneration, and have actively contributed to the discovery of new genes and protein functions.…”