I have had bettas for almost 10 years now, and have never seen anything like this...
We bought my daughter's betta (although she is 4, so really MY betta), about 5 or 6 weeks ago, he is a male veiltail (yes...his name is Princess...LOL) Anyway, he has done really great so far, he is a beautiful pink and purple color and has been very interactive and frisky. When we got him, his fins were a bit clamped and curled, and he was not as colorful, but all of that has gotten much better. He is a great eater,and I have seen no issues with him until now.
A few weeks ago, he had a "neighbor"...we rescued another, barely alive betta (Bait) and had him (temporarily) in a bowl next to Princess. I tried everything, but Bait just didn't make it. :( While the two fish were next to each other, Princess seemed THRILLED. He was alert, exploring, making bubble nests, occasionally flaring, but not very often. Since bait has been gone, Princess seems very....depressed...for lack of a better word. He kind if mopes around his tank, his fins are a bit clamped, he lays on the bottom a lot. He is still eating,but that is the only time he seems happy.
So my question is, is he just lonely/depressed/bored? He is in a filtered, heated 2 gallon tank, eating a variety of Omega One pellets/Hikari pellets/and freeze dried blood worms.
What do you think? Is he missing his buddy?
We are planning to get another betta this week, hopefully tomorrow, do you think there is a chance this will help? What should we do?