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-   -   Sterbai cory's not schooling. (http://www.tropicalfishkeeping.com/catfish/sterbai-corys-not-schooling-127253/)

Stoke88 01-29-2013 03:10 PM

Sterbai cory's not schooling.
 
I have 6 Sterbai Cory's in my 75g tank and they're not as active as the first few days I had them. This past Sunday I found one dead under a piece of driftwood and since then they all seem to be loners just laying on the sand by themselves. I've had them about a month now and I'm a little concerned something may be wrong. I do plan on replacing the 6th one but just haven't had time to get to my LFS. Any help is appreciated.

aussieJJDude 01-29-2013 03:17 PM

Cory's Lossly shoal - the shoal but not as a tight group. Thats what I found my my cories - It's pretty normal for me :D

Byron 01-30-2013 10:42 AM

If they are laying on the sand, there is trouble. Are they upright, or on their side slightly? What is the respiration rate?

As for shoaling, a cory will be relaxed if it has other corys around it in the tank. They may or may not swim around in groups, or in a species. I have over 30 corys in my 115g, representing 12 or so species. Some are out and about all the time, singly, in twos, threes; some are together (as a species) more than others [could be just 2 or 3 of the species group of say 4 or 5]; some chum around cross-species; others are always "alone" exploring.

Byron.

Stoke88 01-30-2013 12:46 PM

All of them are always upright and as far as respiration it seems normal. If one Cory swims by another one that one will follow. My LFS owner said that this is normal. Just wanted other opinions.

Byron 01-30-2013 06:01 PM

Quote:

Originally Posted by Stoke88 (Post 1412600)
All of them are always upright and as far as respiration it seems normal. If one Cory swims by another one that one will follow. My LFS owner said that this is normal. Just wanted other opinions.


Yes, that sounds fine. They need a rest now and then, and they are quite active during total darkness too. Many of mine I only see at feeding time; otherwise, they are in behind chunks of wood and plants, resting I assume.


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