I may be in trouble?

pennyg

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A year or so ago I picked up 4 upside-down catfish for my 55 gallon. At least that was how the lfs had them marked. Well I soon figured out only 2 were upside-down catfish and the other 2 were what I thought was 'lace' catfish because those were the only other ones that store was selling. Now I am worried these guys are actually feather fins? and I think those will get too large for my 55g?
what do you all think? 20190612_192705.jpg20190612_193108.jpg
 
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kno4te

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They are featherfins but should be fine in a 55g. Wouldn’t add anymore.
 
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thebiggerthebetter

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Fishman Dave

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Yep, featherfin. As for tank size, well that's gonna depend on what aggression you see. They are well known for aggression to other synos , including your other two much smaller upside downs. However, this does seem to depend on sex, tank size, decor, etc.
I have kept 4 in a 55g before up to 6" with no problems before moving them into my pond, and yet had 2 in a 80g who tore each other to pieces.
 
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pennyg

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Thanks everyone for the confirm on ID
the 2 upside down catfish I already moved to a 10 gallon with only a betta and they seem happier
my 55 is my African mbuna community and the featherfin definitely hold their own with the cichlids. the only thing I worry about is I have some big decor pieces to give the cichlids hiding spots and breaking line of sight. I have 15 (variety of) African rift lake cichlids. There's also a pleco that will be moving to my 120 g soon I think. the pleco and the featherfin are all about 6 inches each. I can get a picture of the tank set up if that helps. I am running 2 HOB for filters and weekly 40 % water changes.
 

Fishnerd360

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Do upsidedown catfish or others in that family live a long time/really hardy fish?
 

thebiggerthebetter

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Do upsidedown catfish or others in that family live a long time/really hardy fish?
They are usually quite hardy on a general scale. Eupterus has been reported by many to live for 20-30+ years in captivity.
 
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Fishnerd360

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They are usually quite hardy on a general scale. Eupterus has been reported by many to live for 20-30+ years in captivity.
My upside down catfish is I think around 10 years old, i don't really remember since i didn't keep track and he would usually hide for weeks. But he still seems healthy.
 
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