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Hi again, thanks to everyones help a few days back I now have a better understanding of how to stock my first tank to suit my water parameters (ph 7.4, gh 17-21 (awaiting liquid API test so I can check accurately) and nitrates in tap water are high (20-30ppm - will resolve this before adding fish).
I know I will be getting Corydoras aeneus, probably albino variety. But I've been going around in circles figuring out what else to get that will be ok in my hard water and will not be aggressive in a 20g tank. I've got it down to a school of either cherry barb (worried about possible territorial behaviour/aggresion), zebra danio (bit too fast for what I wanted) or white cloud mountain minnow. My other thoughts are to make it a cory only tank, or corys and a couple of same-species male livebearers.
I'm also unsure of which order to add them; I've read that cory's don't like a new tank, but also that they can take a few days to settle down, so I'm wondering if I should get them first so they can settle without annoying the other fish (especially if I get the cherry barbs).
Any thoughts are very welcome
I know I will be getting Corydoras aeneus, probably albino variety. But I've been going around in circles figuring out what else to get that will be ok in my hard water and will not be aggressive in a 20g tank. I've got it down to a school of either cherry barb (worried about possible territorial behaviour/aggresion), zebra danio (bit too fast for what I wanted) or white cloud mountain minnow. My other thoughts are to make it a cory only tank, or corys and a couple of same-species male livebearers.
I'm also unsure of which order to add them; I've read that cory's don't like a new tank, but also that they can take a few days to settle down, so I'm wondering if I should get them first so they can settle without annoying the other fish (especially if I get the cherry barbs).
Any thoughts are very welcome