Mixing angelfish with Inpaichthys kerri or Nematobrycon palmeri?

  • We are currently upgrading MFK. thanks! -neo
I kept N. palmeri with angelfish some years ago. The angels were small when introduced to the tank and the emperor tetras were there first. The tank measured 160 x 60x 60 cm. The tetras were not eaten and didn’t bother the angelfish, but after a year or so some males became extremely territorial and aggressive towards other tetras and Otocinclus. I guess some fin nipping could occur in a smaller tank.
 
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