Fishie Treadmill

[aardvark1]

Saw the funniest thing tonight.

Got some giant danios to act as dither fish for my JD; he's been hiding a lot here recently.

They like to swim in the current of the filter output. Here they are swimming side by side in a race to nowhere!

:dive2: :dive2:

 

[Star_Rider]

I have powerheads and jets from a pump in one of my tanks I watched one of my angels(big male marble) do the same ..headfirst swimming upstream