Iím new to rainbow fish keeping and was wondering about the behavior Iíve been observing the past couple of days. Iíve had the fish for a week, and the whole time Iíve had them, they have been all over the tank, until yesterday and today.
Theyíre grouped together pretty tightly and will swim to one end, pause for a minute, then to the other end, and just swim in place against the current provided by the filter. No longer all over the place like before. Is this their normal behavior thatís finally coming out after being in the tank a bit longer or is this a sign of something?
When lights come on, they dance and spar, their colors are fired up, but after a bit they do whatís pictured and described.
Edit: To add, their feeding has been consistently vigorous after the first couple of days, ammonia and nitrite are 0, nitrate about 20, dGH 7, dKH 4, temp 77 degrees.
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