This is a discussion on yawning betta fish within the Betta Fish forums, part of the Freshwater and Tropical Fish category; -->
Rusty sometimes literally yawns while he sometimes floats. What does this mean in betta fish. Can sakura or another experienced betta fish owner please
It's the same thing that happens basically when we yawn. We take oxygen in and they just fill up their Swim Bladder with air and then sometimes bubbles are released afterwards, that's the excess air I believe from the swim bladder. It's normal.