Pygmy puffer care?

  • We are currently upgrading MFK. thanks! -neo
How doyou sex them ? I have just the 4 in a heavily planted and aquascaped tank. They are still not eating anything I am offering but seem to have bellys so they must be eating Sommin


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The largest dwarf puffer creates a chemical so he is a male and the rest are females. Usually the largest one is the male and the rest are females.
 
I don't know what that poster was talking about, I had several males of different sizes, not just the biggest, the rest do NOT become females


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