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Discussion Starter #1
I bought this male halfmoon betta at pet smart yesterday and I noticed that his anal fin is slightly deformed. Would he have been born like this or did something happen to him?
 

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Discussion Starter #3
Um I don't know what else to add, he was already like that when I bought him yesterday. You can see in the first picture how his anal fin is kind of wavy at the back. I don't know if that's normal or not.
 

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my betta's anal is like that too and he's not acting different than other bettas I've seen. I don't think you should worry about it.
 

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That looks more like a genetic deformity or some kind of old injury. It could have been something genetic that he inherited, some damage he took maybe from a sibling when he was young, or perhaps some not so great conditions from his time with the breeder/supplier caused his rays to grow a little crooked.

Impossible to say which exactly for sure, but regardless its nothing to be concerned about. Its just the way his fins are. ;)
 

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I agree. Nothing to be concerned about. He is beautiful, by the way:)
 
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