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Originally Posted by CAVINCA  thats a good point. i know you probably dont have this answer but how do sites like liveaquaria and marinedept live rate the tank sizes needed? by bioload, by swimming room, personal experience?.... |
I really don't know. I don't think it can be personal experience. There are just too many fish and they are generally kept in small containers waiting to be sold. I use the recommendations as a general guideline. Particularly on the bio-load. I overskim and do frequent water changes so I can stretch that a bit. The swimming room is the bigger concern. When you are talking more than one fish you also have to worry about compatibility. Fish that can be kept together in a large system may tear each other up in a small system.
I do agree with no fish in a .5g pico and I have seen maroon clowns that could barely even fit in a 24 forget be happy there. At best they are talking about juviniles of the fish listed and then you have to constantly replace fish with new babies.