Schooling... - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 13 Old 09-09-2007, 06:46 PM
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Bioload on pygmies is about 2 fish per gallon, so if you were only going to keep pygmies in there, you could have as many as 60 or 70. I would recommend taking some of that space for 3 or maybe 5 ottos, and half the rest for a school of peaceful tetras. So you wouldn't have any problem with 20 or 30 pygmies.

So far as I can tell they're entirely peaceful, so rival schools you won't get. You may see multiple groups, but they'll be pretty fluid, and if you're more than doubling the number in there, I would thing the current population would simply assimilate into the new population. Might take a week or two, but you won't have any problems.

Logic is only the beginning of wisdom
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post #12 of 13 Old 09-10-2007, 07:27 AM
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They may not all hang about together at the one time but there certainly won't be any rivalry. What I think is most likely for you to see, is that the majority will hang about together in a spot of the tank and a few will go off in pairs or on their own to swim about at a time, returning to the group when they want to rest and so on.
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post #13 of 13 Old 09-10-2007, 11:20 AM Thread Starter
Sweet, I'll bump it up to about 20 then, providing that the LFS still has them (they had loads the other day!)

Having read what you've said ther Julie, i have noticed that i rarely see all eight of my tiny school out at once, there's usually a couple of stragglers lurking somewhere.

Cheers for your help folks!

Oh, one more thing, is there any chance of babies with a big ol' school like that?
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