Something I have not been able to find data on is at what ‘age’ is a hermit crab able to spawn eggs. To date if my crabs have dropped eggs I’ve never been around to witness it. Now my large pools have double filters so it’s unlikely I will ever ‘see’ them in that tank.
Well the little tank gave me a much needed bit of evidence. The largest crab in this tank is Susannah. She is about the size of a shooter marble. I don’t know WHO but someone in the tank dropped eggs in the water dish: