R Budds Posted April 17, 2022 Share Posted April 17, 2022 (edited) One of our crayfish has been digging heavily under a rock. It pushed a lot of gravel out from under the flat rock, it's the clean pile without any algae on it. This is looking at it from the right end of the tank. One is under the rock and one is visible in the java moss. They both seem involved but I'm not sure what's happening. We've had them for 2 months and they've never dug this much before. It only took a couple of hours for it to dig this out. I saw it carrying out a few pieces and pushing them onto the pile but it stopped as soon as I tried to record it. The substrate is SafeTSorb which is quite light for them to move around. Edited April 17, 2022 by R Budds Link to comment Share on other sites More sharing options...
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