That's interesting. Didn't know that.Actually heard from my supplier that doradoes need sunlight uv to bring out their gold colors kind of like arowanas. There's a shop in Taiwan that has doradoes in a window tank with sun everyday and they are all golden.
This makes sense and works well with what I've been saying for years: wild caught fish in clear water appear to be more yellow than ones from murky water.Actually heard from my supplier that doradoes need sunlight uv to bring out their gold colors kind of like arowanas. There's a shop in Taiwan that has doradoes in a window tank with sun everyday and they are all golden.