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Old 10-16-2014, 06:15 PM   #1
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How Many Cory Cats, 20 gallon setup?

I have a 20 gallon long setup. Planted and DW. All I have is 3 dwarf gourami's and 2 mystery snails, how many Cory Cats could I put in my 20 gallon long. Or how many would u recommend?

As I investigated I found out they do best in small groups, of 4-6. Wha'ts too much for a 20?

And I got a 10 gallon tank with 6 tetras and 2 mystery snails. I want to throw 2 Cory's in there too. Is that ok? How many's too much in a 10 gallon too ?

Thanks for your help in advance

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Old 10-16-2014, 06:38 PM   #2
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At least 5 corydoras in the 20. Try using Aqadvisor, it gives pretty good stocking suggestions.

No corydoras in the 10 unless they're pygmy corys.
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Old 10-16-2014, 07:21 PM   #3
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Ok thank you. Haven't heard of them. Have to look into them. I'll throw a pic up tonight when I purchase more Cory's. I only bought 2 to start. Pic by tonight.


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Old 10-17-2014, 01:16 PM   #4
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Keeping Corydoras

Hello kp...

Corydoras regardless of their size are very active, shoaling fish. They'll be at their best in a group of 6 or more and they like to forage around the tank. They really need a lot of room. You can absolutely keep them in smaller tanks, but they do even better in a long, narrow tank.

I keep about 6 different species and the smallest tank I keep them in is a 45. The others are in 55 or 60 gallon tanks.

Your decision of course.

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Old 10-17-2014, 01:21 PM   #5
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I ended up going with 4. Lady at my LFS said 4 for a 20 long is plenty . AGREE ?


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Old 10-17-2014, 03:36 PM   #6
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You havent said what species. Dwarf Cories range in size.
Emerald Cories aren't even Cories, they are Brochis and get larger.

So what species do you have ?

Planet Catfish has a lot of info.

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