can I mix cories - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 12-08-2010, 12:04 PM Thread Starter
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can I mix cories

I am new to all this, so please bear with me.

I have recently set up a 36G tank, where I currently house

assorted live plants
8 neon tetras
1 BN pleco
1 bandit Cory

I read that cories need to be in a group, so I would like to buy more. My question is. Can I mix different varieties of Cories and still have them considered a group as long as they add up to more than 4? Or do I need to have 4+ of the same kind of cory?

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post #2 of 3 Old 12-08-2010, 01:01 PM Thread Starter
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I found some related threads which answered my question. Seems like I should be getting the same type of cories even though occasionally different groups will inter-mingle.
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post #3 of 3 Old 12-08-2010, 06:29 PM
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In my experience, corys will mix together quite well. Some species do show a preference for their own if given oppportunity. A group of five seems to work well; if you want more than one species, I would have 3 of each (or more if you like them). I have about 30 or more corys in my 115g, and there are several species, with most at five but a few at 2 or 3.


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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