When on land, axolotls try to get back into water and bend their body into the block below them aiming at the water, fazing halfway through the block.
Linked issues
duplicates 1
Comments

Thank you for your report!
We're tracking this issue in MC-208589, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Duplicate of MC-208589