The pretty ones are the male. The females are just plain. Pale, no long fins.

Lara, you have 2 males.

I had one live for almost 3 years. His name was Princess Jasmine.
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My BF at the time had Beta's for his sons. Their fish were all named after the guys in Alladin.

We got one for Lil'Monkey. She was just a tot. Jasmine was a transvestite in a red dress.
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He sure was a pretty fish.
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Ours never liked change. They liked to stay in the same spot. I'm not sure, but it might have to do with the water temp.

I hope he perks up.
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