03-30-2012, 10:47 PM
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Hey guys, so this just started happening not 2 hours ago, but a majority of my fish, platys, neon tetras, german blues, and bolivian rams started hanging out at the top of my tank, at the very surface. I'm not too concerned about the platys, as they always like to stay near the top, but my rams (bolivians and german blues) and my tetras usually like to hang out near the bottom of the tank or mid level. Its quite odd too, as my bolivian rams are pointing their head at the surface. I don't have a bubbler or air line, but I do have a lot of plants and a good circulation going, and it doesn't seem like they're gasping for air. Is this normal behaviour, or should I be worried? My water tests out A oK, with 0 ammonia, nitrites, and 10-15 nitrate.