03-09-2013, 12:36 PM
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One of my favourite tetras. I have had a group for several years in my 115g. As it mentions in the profile, this species is well suited to angelfish, and it will add some nice colour. The profile explains the confusion over the names.
My group are very sedate, and always have been, one of the reasons they suit angelfish. They remain in their group, in the quietest part of the aquarium, under plant leaves (floating plants are essential), in the lower 1/2 of the water column. They do not like light, so another good similarity with angels, nor water flow, yet another. One really cannot say anything negative about this species. Get a good group, no less than 12. I'm down to 6 presently, thanks to a nasty protozoan a few months back; I also have five Bleeding Hearts and these are mixed in with the Roberts Tetra continually, which is not surprising given that they are in the same clade and thus genetically very close.
I also have over 20 rummynose in this tank, a mix of Hemigrammus bleheri and Petitella georgiae. These are always on the move, swimming end to end in a fairly tight group, also in the lower 1/2 of the water. While these being linear might be seen as food by angels, if the angels are small when the rummys are introduced this should not be a problem as the rummys grow.