It’s strange that someone actually suggested this, and even stranger that it actually works, but when you start to read about it, it does makes a lot of sense. I suggest checking out this case study for further reading:

Lima-Junior EM, de Moraes Filho MO, Costa BA, et al. “Innovative  treatment using tilapia skin as a xenograft for partial thickness burns  after a gunpowder explosion.” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6565829/ (last accessed 20.04.2021)

Beyond the facts-patrons can check out the step-by-step process of drawing this illustration here: https://www.patreon.com/posts/50058569