I got 6 zebra danios yesterday from the lfs for my Krib tank at home. I needed a good dither fish. One of the danios thinks it's a salmon...you ever watched a nature documentary where it shows the salmon swimming up a waterfall to spawn? well, i have one danio that will swim up against the current created by the filter and swim up where the water is falling from the filter and into the filter!
Yesterday I went to check on the danios to see if the male Krib had gotten any and I only counted 5. I know I put 6 in the tank. so I figured, oh well maybe Killer ate one. But I noticed something moving inside the filter. My filter is clear plastic. So I take out the filter media, and there's the 6th danio. I put him back in the tank and turned back on the filter...a few minutes later, the danio swims full force against the current and PLOP he's back in the filter again! I lowered the water level in the tank and he quit doing it. I guess the water falling is too much for him...I hope.
Yesterday I went to check on the danios to see if the male Krib had gotten any and I only counted 5. I know I put 6 in the tank. so I figured, oh well maybe Killer ate one. But I noticed something moving inside the filter. My filter is clear plastic. So I take out the filter media, and there's the 6th danio. I put him back in the tank and turned back on the filter...a few minutes later, the danio swims full force against the current and PLOP he's back in the filter again! I lowered the water level in the tank and he quit doing it. I guess the water falling is too much for him...I hope.