TLDR;

Its a fantastic substitute for bandages in the sense that you don't need to take off the fish skin everyday.

Its also better are retaining moisture in the burn wounds than cotton badages.

No need for antibiotics, painkillers etc

Its also really cheap. Fish farms regard them as waste.

> Fish farms regard them as waste.

I have only seen tilapia sold whole - the skin is one of the best parts when you fry them.