Hey Everyone,
I have had a 8-gallon BiOrb tank set up for about three to four weeks now. It holds two platys, three tetras, and two ghost shrimp -- all of which are small enough so that the tank is definitely not overcrowded. All the chemical levels are just about normal, the
ammonia level is in the "stressed" range but I figure that's because the
nitrogen cycle hasn't fully completed yet.
I am concerned about my fish, however, because the two platys (both of which are male, if that has any significance in this case) have been displaying odd behavior, but none of the common fish diseases I have read about so far have described what they are doing:
- Both of them frequently and frantically swim up and down the side of the aquarium for an extended period of time, as if they are trying to escape or get out of the tank.
- They also seem to go up to the top of the tank to get air, but only very rarely (once a day, if even that). This is the only possible sign of ammonia poisoning that I have seen.
- They occasionally will chase each other around the tank, but it doesn't seem to be aggressive at all and no physical signs of "violence" between the two can be seen.
Perhaps what is confusing me the most is that the three tetras show absolutely no sign of any stress. They seem to be acting perfectly normal, especially compared to the two platys. I already did a 30%
water change a week ago and added conditioners just in case this was ammonia poisoning, but their behavior did not seem to change. I have looked through as many fish disease descriptions as I can find, but they all seem to have primary symptoms that include lethargy and/or physical damage (either of which the platys have).
Any ideas about what's troubling the platys? Or am I just overreacting because I'm new to this hobby?
Thanks!
