Upside down catfish size question

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Stratoquarius

Fire Eel
MFK Member
Oct 22, 2011
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Calgary
Hi, I constantly see these guys for sale citing they get about 4" long, but the one I saw at my lfs is solid black and about 14".
do they all turn out like this or are there several species?

Thanks
 
They have the 2 African types and the 1 Asian type. The larger African type are the more rare one in the hobby trade. The little African type and the Asian type are common. The solid black one at your LFS is the Asian ones. They are very aggressive. The ones I have is the on this link: http://www.seriouslyfish.com/profile.php?genus=Brachysynodontis&species=batensoda&id=318 I have a group of them and they get along very well. They are also called the giant upside down synodontis catfish. They are giant compared to the smaller upside down synodontis catfish. They get about twice the size of the little ones.
 
Thanks for the info twilight zone! loving the name by the way.
so the one in my LFS is an asian upside down catfish? and I don't quite underistand do you keep that kind or another kind?

the one in my lfs is in with angelfish, plecos and a few Uaru he seems very peaceful kind of like a gentle giant, he might just be a more mild mannered individual though.
 
That first link you posted looks exactly like my upsidedown catfish. Hes about 8'' right now how big will he get?
 
Yeah mine was fighting with my blood parrot yesterday they tend to do this about 3 times a day didn't know if that was normal behavior for the cat but I guess it is
 
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