Is this enough cardinal tetras? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 12-01-2011, 01:08 PM Thread Starter
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Is this enough cardinal tetras?

I have a 20 gal. fish tank with 4 rummynose tetras, 3 pepper corys, 1 bristlenosenose pleco, and 6 cardinal tetras. I'm thinking about getting another rummy, 2 fem. huppies, and 3 bronze corys. But before I do I want to know if 6 cardinal tetras are enough. Right now they seem really happy and are schooling together and with the rummys. I'm open to suggestions and advice. Thanks a lot.
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post #2 of 2 Old 12-01-2011, 01:49 PM
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The cardinals will be OK at 6, but you need more rummys as noted in the other thread. Forget the guppy, the rummynose tetra will be much better (=happier and thus healthier) with more. Also the cardinals and rummynose are better in soft water, the guppy is not.

Three more cory is not so much of a problem, though I probably wouldn't. The additional rummys are more critical.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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