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Rummy nose tetras:
Total size: 2 – 21/2inches
Adaptable temperatures: 78-82
Swimming range: Mid levels
Scientific Name: Hemigrammus rhodostomus
Life span: Usually 2 –3 years in home aquariums, possibly more.
Rummy nose are just odd. Apart from their strange markings of silver, with a chess board tail and a bright red nose, they also freely school with other tetras as if they can’t tell they are different species. They are caught wild just as cardinals are so come at a higher price. They are probably the best schooling fish when it comes to actually schooling. They seem to know how to school, unlike neons who often scatter or stay in a corner. They are not as closely related as the neons, cardinals, and black neons are, so their body shape is slightly different. They are deeper bodied fish and become bigger than the others so can’t be swallowed by angelfish. They are equally hard to keep as cardinals, but get stressed much faster. If their “light” on their nose goes dim, than that is your first clue that they are not happy. Water changes will almost always make them happier. They like soft water with a PH of 6.0 – 6.5. Rummy nose also like driftwood very much. They are schooling fish, which means they need at least 6, but preferably 15 minimum. Another important thing is that all tetras like darker water, it reminds them of good ‘ole home. Driftwood, pete moss, and/or black water dye will create a murky water home. Their colors are brighter in murky water, either due to the little light that gets through the water reflecting off of their scales, or because they are simply happier. Also dim light is appreciated, best with floating plants.
Good tank mates:
Altum angelfish, may eat them if large enough
Angelfish, but will chase them.
Possibly discus.
Other tetras (cardinals are great, rummy nose freely school with them)
Corydoras
Dwarf cichlids
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