Okay so my betta female, Tael, is a crown tail. Her fin is normally curved and she swims well but now it's...clamped into a triangle point. I separated her in case it's contagious, and to lower stress so she can be alone. She isn't swimming well with it, and spends a lot of time at the top. Though I can see her TRYING to go other places, it's just not that easy. And she has a loss of appetite and isn't eating very much. Any ideas of ways to fix this?