I seem to get conflicting views on whether they are good swimmers or not, i'm happy to do it as deep or as shallow as would be fun and safe for them maybe i'll start shallow and get deeper as time goes on.

You're right we are getting the males for the noise haha and some form of realism in the pretend environment, we have quite a busy household and i don't sleep much, so when you say plan it out thoroughly i have gone thru it in my head hundreds of thousands of times haha i've sat in front of the tank for hours. I like the idea of it taking up some of my time actually doing it rather than thinking about it

Thanks for the info and help