After adding plants I have some new critters that I hadn't really wanted. Can someone tell me what these are and if they are safe?
They crawl around on the glass eating algae and leaving little lines in the algae about 3mm wide. They crunch like they have a shell if I squish them.
They crawl around on the glass eating algae and leaving little lines in the algae about 3mm wide. They crunch like they have a shell if I squish them.
