Description of the bug.
When using ETF and EMF, salmon models seem to be spazzing out.

Screenshots.

(Fabric Loader) Minecraft 1.21
Entity Model Features 2.0.3
Entity Texture Features 6.1.2
Sodium 0.5.9

Does the issue persist with only EMF installed?
Yes.

Additional context
The issue persisted even when only using EMF, ETF and the Fabric API, though it only consistently occurred when disabling fullscreen mode.