Missing Firefish
How long should I wait before being concerned about a missing Firefish? I came home Monday and noticed some of my rock had shifted. By the time I was done, I had to rearrange the majority of it. Haven't seen him since Sunday.
My issue is that the firefish usually hid under one of the rocks between it and the sand. I am afraid he was stuck or crushed. The tank is a 28 G nano cube, so he didn't jump, and he can't get through the overflow, but I am changing the floss tonight, so I will check there anyway.
He was only in the tank a few days before the rock shifted. I think I got him either Wed or Thurs last week.
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