Hi everyone! I am setting up a pair of container gardens this spring and am seeking fish that would do well in them. I just purchased a pair of American Flagfish today, hoping that they would fit the bill. My question is, how cold hardy are the flagfishes? I was assuming I should pull them in when water temps dip below 50 at night. Thanks!
Flagfish temperature tolerance
Posted 08 February 2019 - 09:46 PM
Mine survived in a 100 gallon stock tank even through a freeze (even had babies the next spring). But the water only froze on the top inch or so and I am sure was not nearly so cold at the very bottom. No circulation in these stock tanks so there is a natural gradient.
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