They look indistinguishable from my 20"-er also from Suriname (thanks, Wes!).
How do they compete for food? Mine takes food with dignity so as not to appear desperate. It's been alone and I wonder how it'd compete in a community of aggressive feeders.
What's their activity - how much do they swim and do they employ the whole tank?
How are they together and with other Brachies?
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I'm guessing only the wolf could bite VATF tail, no?
Who is bothering the giant Siamese carp?