Cardinal tetra

Pros

• Make sure your tank is cycled before adding fish, but you can try ember tetras, bronze/albino corydoras, and cardinal tetras.
• If you want that tight schooling fish look cherry barbs, neon or cardinal tetras and harlequin rasboras are amazing.
• I also like Bleeding Heart tetras as well as Cardinal tetras.
• I’d do a pair of rams or apistogramma and a bunch or cardinal tetras
• I'd go for a big school of something that would be set off against the brown background, like Cardinal Tetras or Green/Turquoise barbs.

Cons

• I was then looking for dither fish and ended up on 12 Cardinal tetras. Same story with them, all they do is hide in the back of the tank where I can’t see them.
• Parent context: cardinal tetras are a good option! colorful and tetras are all around pretty hardy fish. I have a school of about 10 in a tank with 2 types of loaches and they cohabitate very well and they don’t eat plants. :) Reply: The...
• Cardinal Tetras are still mostly wild caught. So they haven't had generations to adapt to varying pH and water hardnesses like other fish have. If you try to keep Cardinal Tetras in a pH above 6.5 or moderately hard water, they will ofte...
• I have other fish which are known as being more "fragile" like cardinal tetras but they've never gotten sick for as long as I've had them.