08-05-2011, 04:32 PM
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I have corys with gravel and plants and the corys are absolutely fine. They do uproot some fine rooted plants though and I often have to replant my valis.
I love my corys, they are my favourite fish. they are too funny! Just rememeber though when you go to buy your corys that they absolutely MUST be kept in groups of no less than 5 and also that different types of corys dont school together. I have Pandas, Albinos and Bronze and all three types stick to their own groups which is why I have 5 of each. I started with 2 Pandas, 2 Bronze and 3 Albino Corys thinking that would be a nice school. The Albinos are rather gregarious, outgoing fish and even though there was only 3 they seemed happy enough. The 2 pandas stuck together like glue and were so scared they didnt venture out at all. The Bronze were the same. Once I increased each type to 5 they all began to come out and play and now they zoom around the tank day and night
But they definately dont hang out together. Mine love a half cocounut shell with an archway cut out for them to hide in. I position the shell so I can see inside and they are just soooooooo cute! People often mistakenly think cories are waste eaters and this is not true. They dont and wont eat waste, but as they spend most of their time on the bottom of your tank its really important to keep the substrate clean and to supplement their food with algae wafers. I drop mine right in the front of the tank and as soon as it hits the gravel they spring out of all their hidey holes :) Contrary to what Ive read, mine have never been nocturnal feeders either. They eat pretty much as soon as they get a whiff of a good wafer ;)