Axolotl spawning

I don’t know if this is the right place to report this, but since the 1.18 update came out I have been trying to find axolotls in lush caves but they don’t seem to spawn. Thankfully I have 2 of the variants when it was easy to find them in 1.17 but now that I want all colors it just seems impossible. I have explored many lush caves at this point that I think is broken or something, I even tried to make an axolotl natural spawner but all I get in this caves is the glowing squid, not even the tropical fish that are supposed to spawn here seem to want to appear.

I’m I doing something wrong or what is going on?