You need OptiFine 1.16.2 HD U G3 & OptiFine 1.16.3 HD U G3 or OptiFine 1.16.3 HD U G4 pre2 (or higher version) to make this resource pack work properly.

CMM Alpha_version_0.6 1.16.2 & 1.16.3 (May be able to open in 1.16.4)
New:
- Added vex , donkey , horse , mule , skeleton horse , zombie horse , squid , dolphin , cod , piglin, piglin brute and zombified piglin

Limitations:
- All of baby model are not working.
- The size of model is not correct and looks weird.
- Some of animations are unfinished. I apologise for this :V

Note:
I couldn't make salmon, tropical fish, turtle and pufferfish into this update.