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Shy Pygmy Corydoras Catfish


CorydorasEthan
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Hello everyone,

Ever since I rearranged the decor in my 29 gallon fish tank (it's been maybe two months or more), my school of 5 pygmy corys don't come out hardly ever. They always are hiding under their favorite log and rocks. They will venture out a little during feeding, but always stay under or near the shadow of the log. This is confusing to me, because before I rearranged the decor in the tank, they would always be out and about. Also, I only have other types of corys, a bristlenose pleco, a pearl gourami (just added in a week ago), and some Endler's livebearers in the tank. Any suggestions on how to get the pygmy corys to be less shy?

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I water change once a week. I agree all my corys are a lot more active during and after a water change because they like to play in the current and look for food in the debris that it unearthed.

Do you think taking out some young Endler's livebearers (they breed a lot) and adding in a type of tetra as a dither fish or more pygmy corys would work?

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My habrosus are very friendly--I only have 5 in a 20 gallon, but they're our favorites and are always hanging out and squiggling around.  I think there's a good youtube video (maybe KG Tropicals??) that compares pygmies, habrosus and one other type as far as interest/activity.  It might be something to look at, but I'm pretty sure they all hang out together in there, so I think that could work to increase your school size.

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I have found with corydoras, that the more that there is in a tank, the more you will see them out and about. I started out with a group of five pygmaeus and they hid all the time except when I fed them, but I recently added another 6 of them, and they are out a lot more. I do notice they run and hide when I first come up to the tank, but once I stand there for a minute or two they will be back out swimming around.

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2 hours ago, Andy's Fish Den said:

I have found with corydoras, that the more that there is in a tank, the more you will see them out and about. I started out with a group of five pygmaeus and they hid all the time except when I fed them, but I recently added another 6 of them, and they are out a lot more. I do notice they run and hide when I first come up to the tank, but once I stand there for a minute or two they will be back out swimming around.

Same here.  I have somewhere around 12 - 15 in my 20 long, and the more I add the more I see.  Since I added the last 5 it's not unusual to see 6 or 8 swimming around together.  Before that I'd rarely see more than 2 together unless it was feeding time.

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