09-16-2011, 10:51 AM
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Originally Posted by crs1945
Actually any of the Rasboras, microrasboras,, Boraras or Trigonostigma.I have the book "Mini-Aquariums" by D. Boruchowitz and he gives many good choices for a begininer " nano" aquarist.
In a 6g I wouldn't attempt the Trigonstigma species, they need a group of 8-9 (6 can do in a pinch but they definitely do best with more) and more space, a 10g minimum but better in a longer tank. Boraras are ideal, but they need soft water being wild caught; we have two of the present six species in our profiles for more info, they all occur from the same general area.
Microrasbora is correctly speaking a danio, but small and suitable for nano tanks. We have two in our profiles, Danio erythromicron and Danio margaritatus and these do best in slightly basic water. The rasbora/danio group of cyprinids has undergone name changes in recent years as a result of extensive study, this is summarized in our profiles.