well tbh there not really silver more like black my barra is way more like silver hes shiny as hell and getting big as hell in a month or 2 he will be pushing 12" inches hes 8" at the moment and the jar is at 9" the jar and barramundi have similar growth rates but the barramundi is still a tad faster will probably put some pics up soon my plant growth is going great got rid of gravel and only the plants attached to my sponge filter and drift wood are in there and well my heater broke but i am using one that's for the big tank now so its all good
cheers ,james