The Planted Tank Forum - View Single Post - Shoaling or schooling fish for 5G
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post #3 of (permalink) Old 12-05-2012, 02:12 AM
Algae Grower
Join Date: Nov 2011
Location: Canada
Posts: 95
I think cardinals will be too large for a 5g, but if you have a decent amount of flow, you might try microdevario kubotai--though their colour requires the proper background to look best. In my tank, they're pretty continuously swimming against the filter flow and they look awesome playing in the current.

Dwarf cories are great, but I think a 5g might on the small side for them to be at their happiest. They're small fish, but they really need a fairly large school to exhibit their best behavior and tend to hide a lot if kept in small groups.
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