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New tetras hiding
I have a 34L freshwater tropical aquarium and bought 3 penguin tetras A couple of days ago to start my tank as recommended by the shop I bought them from. Two of the three seem to hide for periods of time, one up in the corner and one in the plants. Sometimes they swim together fine but as I haven’t had fish before I am not sure if this is normal behaviour when introducing fish into a new aquarium. Any help appreciated, thanks
Penguin tetras can be brutal to each other, especially in such a small group. I have 5 in an 80gal long and still they're always at different ends. I'd suggest changing them out for a different tetra. Is your tank actually cycled? That behavior could also be due to stressful/unhealthy water conditions.
Originally Posted by ZoeW28 View Post
Also, if this is brand new aquarium you probably haven't cycled it yet. This makes fish quite stressful due to ammonia and nitrites.