04-11-2008, 01:16 PM
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Originally Posted by tophat665
However, in general, Aphocharax species lack an adipose fin and Hyphessobrycon species have one
which is why I said H.eos :) (both fish in the insert of the first pic clearly show an adipose fin)
I have searched, in the past, many scholarly papers and have found no definitive answer to which is which, personally I have kept them both (one with and one without the adipose) and even at one time had Fugitive tetras Odontostilbe fugativa
in the same tank, they all acted as one big school.
the only fish that got nipped fins from this bunch were some Roberti tetra Moenkhausia robertsi
which were the only other inhabitants of that tank.