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I was thinking about starting an all cory tank. I would be using a 50 gal breeder. Maybe I would have a small school of some kind of tetra. I have black sand that I was thinking of using for the substrate, is that ok? Is there anything else that would be a definate must for them. I have cories in one other tank that is a comunity tank. How many cories do you think I could get in a 50 gal breeder. Also I wanted as much of a variety as possible, but I know your supposed to have them in groups of 6. Is this really nessasary in an all cory tank. Won't different species school with eachother? In my comunity tank I think I have 4 or 5 different species and they all school with whoevers around it seems. The reason I'm asking this is because I wanted to get Starbae and they cost $10 a peice at That Fish Place (like an hour away from me), and I really don't wanna pay $60 for one group of fish... Let me know what you think.

I don't know how many you could keep ultimately - it would depend on the care they get.

But I would think that certainly you could have 25 cories safely, added in batches of six or so.

It would be better to stick to one or two species, say twelve or so members each. Get a big enough group so that males and females are represented. This will avoid cross-species breeding. Cross-breeding cories is discouraged in the hobby, and a way to avoid it is to get enough members of each species.

$10 each for sterbai seems high, I agree.

Black sand is great. I use it in an all catfish tank, and it's just great. Great for plants, too. Cories like structure in a tank. Put in some plants, rounded rocks, and wood, and arrange it in a natural way. That will work.

Good luck, and let us know what cories you get.

Deborah

Well, I picked up some sterbai yesterday and they just happened to be on sale for $7.49 each. I think we're going to keep them in a tank by themselves to see if we can get them to breed. And I got paleatus and aenus. they're in temporary tanks right now because we have to move fish out of the 50 breeder they're going into. Is there any particular things that cories like to get them in the breeding mood? I've only bred them twice and it was pretty much accidental, I wasn't really trying or anything, then one day we were moving the fish to another tank and we tore everything out of the tank and there were 4 babies but they were clearly from 2 different spawnings.

BTW: thank you very much for your reply!

I have to admit I am not interested in breeding, and I never save eggs. I do not have room for a lot of babies - I let nature take its course and the eggs get eaten - but ...

I found this: http://www.planetcatfish.com/forum/view ... +corydoras

about sterbai, and the last response may help you.

I hope it works out. Try some forum searches on your own, for more breeding tips.

Deborah