Corys and Schooling - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 12-11-2010, 11:45 AM Thread Starter
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Corys and Schooling

I am awaiting a call from a Craig's List contact and hopefully soon will have my first aquarium in 12 or so years.

I have had great success with various Corys in the past, but I have learned, via the forum, they like to school in groups of six or more.

Will several species work to get to six, or is six or more per species? Thanks for your insight.

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post #2 of 3 Old 12-11-2010, 01:10 PM
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First off, welcome to the forum.

Second, I moved your post to a new thread so it will get more attention as opposed to being buried in another thread.

Third, to your question. Corys are shoaling fish that live in groups of hundreds in the wild, with their own species but in some cases more than one species may be together. In my experience, all do prefer their own species, and when given the option will spend more time with their own than with other species. But, they all get along, so if you want more than one species I would suggest 3 minimum of each. Three to five of a species seems to work well when there is more than one species in an aquarium.


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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post #3 of 3 Old 12-11-2010, 01:13 PM
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I have seen cases where they school, and cases where they don't. If you would like to mix species I suggest 3 of each, that way if they don't fall all in together they at least make two small groups.
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