betta changing colour.
my betta fish are changing colour, it seems like it happens with moods, like when they are afraid possibly? I can see it more in my females. my one female specifically (my first girl) was red in the pet store tank and then looked different (dull) then i brought her home, I noticed some very small red patches at the bottom of her fins. When I put the 2 new females in with her (bought from same store) a few days later, she went REALLY red! what does this mean?
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