.Hi!
This article in Science News describes how draught-stressed killfish (an African fish) enter diapause, which can double their normal lifespan. Studies are being made of the genes that are turned on or off.
-- Saul
https://www.sciencenews.org/article/how-african-turquoise-killifish-press-pause-button-aging?utm_source=Editors_Picks&utm_medium=email&utm_campaign=editorspicks022320