When they are the only real fish you've got, then no. Otherwise, quarantine each in the identical tank ahead of introducing them for your other fish. Many thanks! We are happy this was helpful. We endorse regularly checking the valve is available inside the meter box and removing any Dust https://dean5hrzi.dailyblogzz.com/32476327/the-fact-about-how-to-isolate-tanks-that-no-one-is-suggesting