Corys

AfflictionX said:

I’m really sick of being at the lfs and hearing people talk about how their Cory cats won’t school together.... if that’s the case... your doing something wrong lol. I was there yesterday arguing with a guy. Seems like a trend lately. People not happy with their Cory cat purchase. These are mine every morning. They claimed that rock and they all sleep together. None of them really move untill one does then they all follow. They eat in a group like that. Every Cory species I’ve ever had schooled together.

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NCaquatics said:

Mixed cories will group together too. I keep all of mine mixed in big groups, exception of my pygmies.

But you know when shoaling fish stop schooling? Because theyre shoalers. They will often go off on their own or in pairs, whenever they feel like it, because they feel comfortable to break off from the group to go off on their own. It's a compliment if they scatter about. They chill together when they want too.

But if theyre schooling tight all the time, theyre not feeling secure or safe to do their own thing.

Cories aren't schoolers. Theyre shoalers.

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CazRJ said:

I love the leaf litter you have added to the tank, do the bottom feeders enjoy it??

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mbsqw1d said:

I add leaf litter to mine too, mainly Indian almond and oak leaf. Other than the tannins released by them (indian almond leaf tannins have proven anti-fungal properties), they also provide a food source for micro-organisms for which the corys feed on. They break up the substrate visually and are sometimes used by cory for shelter from light.
You might not hear back from @NCaquatics unfortunately as she hasnt been on the forum for a little while.

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CazRJ said:

Aw thanks so much for replying to me, I'm new to fish keeping only had my tank 6 months so this kind of stuff is really interesting. I'll have to look into that

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What happens in the leaf litter bed..stays in the leaf litter bed?

As you know by now, I sort of obsess over the way the natural habitats of our fishes function, as both a physical environment and food resource. And nowhere do we see these two characteristics come together as completely and elegantly as in the litter beds of tropical streams. In areas like...

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