I posted this question before and got a lot of helpful advice, which I really appreciated. However, I didn’t get a specific answer. I thought maybe someone might know so I’m giving it another shot. I apologize for the redundancy.
I made a shrimp cave out of a terracotta pot. I’m really happy with it. I’m hoping it will provide a good place for Bloody Mary shrimp to reproduce.
The tank has amano shrimp, green neon tetras, and a scarlet basis also.
What is the smallest diameter hole that will allow the Bloody Mary shrimp inside while also preventing the amanos and fish from entering?
Any help will be greatly appreciated.
Thanks 😊