Corys and convicts

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Oct 29, 2009
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Buffalo, NY
I have three convicts in a 20 gallon tank. One 3-4" pink convict, and two small regular convicts. The larger one (I believe it's a girl) keeps the other two hiding.

They are on the bottom rack of a 20 gallon metal stand and it is hard to gravel vacuum the tank. I was wondering if a cory cat would be okay in the tank to eat the left over foods. Would the cory go after the convict eggs that I hope to get? Would the convicts attack the cory?
 
well the corys wont help with any poop on the floor so you will still need to vac the tank, just use a battery powered one instead or move the tank out to somewhere else. you cant keep a single cory, they are very social and need at least a couple of friends.

my old convict pair would attack anything that went into or near the tank, including me and they did draw a little blood once while i was trying to do maintenance in there. im not sure how corys would hold up against that kind of attack.

are you waiting for a pair to form with the convicts? i would have thought a pair would keep 1 hiding not 1 keep a pair hiding. maybe they are all same sex if they havent formed a pair yet. hopefully someone with a little more convict knowledge will come here soon.
 
If the cons pair up then the corys (and the other con) will likely suffer. And as kelly said corys should be in groups, at least 5-6 IMO. Not to mention having fish to "clean up" food is not a good idea to begin with. The corys need their own diet as well and if you are having issues due to left over food then just feed less.
 
When those cons pair up, there will be blood. I'd probably get the corys out asap. Breeding cons tend to be terrible roommates to anyone in the tank.
 
I have decided against corys. I wouldn't want to put a cory in harms way.

As for pollution, I have found fish feces to be less destructive than pellet waste.

I am thinking of getting a 15 gallon and putting something to raise the tank a few inches underneath.

With the three convicts, I have one pink adult. I think it's a female, but because it's pink I cannot tell for sure. The new ones are small and appear to be male and female. I want to keep my pink convict and I am hoping that one of the smaller ones will partner off with it and I can take the remaining one to a store. If neither will breed with the pink convict I will just give it it's own tank.
 
um i agree with everyone here.

my 5 inch male pink con has literley killed to pink females after he paired up with the blk female ( which now have wigglers )
 
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