Hi all,
I've got a 9 yr old 55g tank w/ 5 assorted fancy guppies, Mickey Mouse Platies, 3 rumminose testras, 5 neon tetras, 1 Otto cat and a couple of 5yr+ cories, nerite snails and fighting "pond snail take-over". Don't know how many ghost shrimp are living in there but it is common to see...