i'm planning to get some more ichirs for my "new" 75 gallon tank. i have a 4 inch del and 4 inch albino. how many mre bichirs can i fit for life?? might upgrade but it will be in a long time (4years). i'm planning to get a moke, weeksi and tuelgusi from toyin (if the border guards allow me). is that good or should I down grade?? WHAT should I down grade?? Very want the moke, weeksi and the tuel.