Floating axolotl (still alive)

[Delzoun]

My axolotl has recently been doing this. Whenever I feed him cubes of tubifex worms or blood worms, he starts floating to the surface. I heard that there are diseases or bacteria or something of the matter that causes them to float. He keeps swimming down but it takes about 20 minutes for him to finally sink back down. Could it just be air or is it that he has this bacteria? I'm probably overacting or something, but thank you for reading.

 

[Bellabelloo]

Do you defrost them first?

 

[Delzoun]

Yes I defrost them. The worms I feed them are completely safe.

 

[jeromeetabuzo]

It's called "air" means that place the blood worms in warm water for 6seconds then feed it to ur axies

 

[Delzoun]

I do that, but he still floats. So it is air then. Thanks a lot lol.