If you meant why he has no substrate then it's because of easier maintainence. Personally I prefer barebottom.KarstenHeydahl;5091759; said:Nice fish, but why do you have no ground in the tank?
KarstenHeydahl;5091823; said:Thats not very fish friendly.
x2 Also doesn't matter if they have substrate or not. As long as the fish looks healthy and is eating fine then that's all that matters.SnaKeheAdSrAwSomE;5091944; said:how does having substrate make the tank "fish friendly"?
Quite a bit of people on here keep barebottom tanks. It is much easier to maintain and IMHO, much more pleasing to the eye.