Hey, all! So, I grew up with bettas, but I've never had this problem before. I got a betta about 3 weeks ago. He's in a 5.5 gallon tank set at 80 degrees, levels are all good, fully cycled, and he has a sponge filter, everything. His tank is decked to the nines with plants, logs, floating logs, and two betta hammocks. He eats fine and seems fine otherwise, but he is ridiculously active, constantly surfing the glass. And this morning I noticed he's taken huge bites out of his tail, too. I've read in places that it's boredom related, but I can't think of anything else I can do to alleviate this problem. He's the first and only betta I've ever had that has had both the glass surfing and tail biting behaviors. There are no lights in his tank so I'm certain he's not seeing his reflection, and when I put tall plants along his glass, he just goes behind them to continue surfing, so I'm at a loss. Does anyone else have any suggestions? I've also included a pic of his tank so you can see his setup.
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