Okay so right now I have a nice medium planted tank, With 6 cories 1 SAE And 1 GBR I really want a nice big school of charican,barb or rasbora I'm think like 12 or something but I would really want like close schooling species for this tank and will really look nice I either wanted maybe two...

I understand that some "schooling fish" form loose schools while others form a more tight,coherent group. In a very large planted aquarium >400 gal, what fish would most likely form the tightest schools if the number of fish in the school was 20 to 30? The shooling fish would necessarily need...

I've been gradually stocking my 250-litre tank. I've now got 7 rosy tetras, 7 black neons, 6 dwarf neon rainbows and 5 panda cories. My fish don't school. They are all over the tank and swim with all of the other fish. Sometimes a few will be together, but they don't form a single group of...