He keeps opening his mouth like this.
Is this normal for a betta?
- Thread starter cba191
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He keeps opening his mouth like this.
20gallonreefer000
Active Member
Fish will "yawn" occasionally. If you feel that it is excessive it could be flukes or some other gill living parasite. You should keep an eye out and see if you can spot anything on him or any unusual behavior(scratching against rocks, twitching, loss of appetite).
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