DNA ageing

At the TSC meeting yesterday, the question of DNA ageing came up. The advantage of this is that a small fin clip may be all that would be necessary to provide age data. Has anyone heard about this? Here are a few papers I found after a quick search.

https://onlinelibrary.wiley.com/doi/full/10.1111/1755-0998.13111

https://blog.csiro.au/dna-aging-fish/

https://onlinelibrary.wiley.com/doi/10.1111/1755-0998.13440

https://www.csiro.au/en/news/news-releases/2021/new-dna-test-to-transform-wild-fish-population-management

http://www.molecularfisherieslaboratory.com.au/portofolio/dna-based-ageing-technique/