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FAQs on the Lemon Tetras

Related Articles: Cardinal Tetras; A School of Beauty, Part II,  by Alesia Benedict, Characid Fishes

Related FAQs:  Cardinal Tetras, Characid/Tetra Fishes,


Rosy Tetras and aggression /Neale      2/28/17
Just wondering if anyone there knows if Rosy Tetras are ok with angelfish and nipping?
<Regarded as a peaceful species, but Hyphessobrycon species generally can be nippy, particularly if not kept in sufficient numbers. Should be okay in a big group though.>
I have two 4 inch angels in a 38 tall and have a chance to trade the Lemons I have for Rosy Tetras. Lemons do not nip, but I fear Rosy Tetras may, so I was wondering if it is worth the chance? Thank you
<Lemons are outstanding fish if you have soft, acidic conditions that will bring out their best colours. So a definite option!>
Also wondering why something like a Serpae tetra would be so aggressive and a Lemon would not be so much. Just wondering what causes aggression difference in tetras ??
<Nippiness can have two causes. Frustrated social behaviour is one, and the likely explanation for Tiger Barbs, which can be pretty safe in big groups. But other species, Serpae Tetras for example, seem to use nipping as a genuine part of their feeding strategy -- they bite the scales and fins of other fish. Not much you can do to prevent this.>
<Cheers, Neale.>

Rosy tetras with lemon tetras     2/12/17
Just wondering if it is possible to keep a couple of Rosy Tetras with a school of 8 lemon tetras or are the Rosies just too aggressive? I wonder if they would school with the lemons or attack them. Lemons seem to be one of the most peaceful tetras there are. Thank You
<In theory Rosy Tetras, Hyphessobrycon rosaceus, should get along well with Lemon Tetras. Two issues though. First is that other look-alike species may be sold instead of true Hyphessobrycon rosaceus, for example Hyphessobrycon
callistus, a much more aggressive species. Be sure you know the difference! Secondly, expecting "a couple" of any schooling species to behave normally is unrealistic. They'll either be terribly shy or annoyingly aggressive.
But get 6-8 specimens and you should be fine. Cheers, Neale.>

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