alex mob whale
mods seen in video
generation:
https://www.curseforge.com/minecraft/...
whale + crows:
https://www.curseforge.com/minecraft/...
water splash:
https://www.curseforge.com/minecraft/...
menu in top left:
https://www.curseforge.com/minecraft/...
shaders:
https://www.curseforge.com/minecraft/... (optifine in use)