I need some stocking suggestions for a 20 gallon long tank. I would like to have a small school of 8-10 nano schooling fish, around 1 inch max size, that tend to school tightly on the top 1/3 of the tank. I am not a big fan of most tetra species, and I am having trouble finding good options because typically most micro fish tend to shoal more than school.
I can adjust the tank paramaters according to the species, but I would prefer a tank with low tannins, and my water has a higher PH of 7.5-8.
A few options I am currently considering:
- Glowlight Pygmy Barb / dwarf carplet / horadandia atukorali
- Emerald Eye Rasbora / rasbora dorsiocellata
Any other suggestions?