Yes it would be perfectly fine, there is no issue that would interfere with their health, however, it would just be difficult for them to walk around since the floor is so smooth. But I would go for bare bottom set up if you are concerned about maintenance!
Where do you get those tunnels?
i think you can use pvc pipes
I got those from DAISO. You can check out your nearest daiso or use PVC pipe and cut to size
Is it okay for crayfish not to have substrate? Planning to go bare bottom as well since its easier to clean
Yes it would be perfectly fine, there is no issue that would interfere with their health, however, it would just be difficult for them to walk around since the floor is so smooth. But I would go for bare bottom set up if you are concerned about maintenance!
can i buy your craydfish?
do you live in florida?
if your looking to buy crayfish I just bought two beautiful orange ghost babies from a ebay seller called booboos aquatics
Yes, if you are still looking for one, I can get you the eBay link so you can buy from me!