Steps to reproduce the bug: Search the inventory in creative mode for the glow squid egg and summon it in a place with water.
*What you expect to happen when you follow these steps: * That the glow squid texture is error free.
What really happens when you follow those steps? When the glow squid is swimming and turns on itself, its texture presents an error as seen in the attached file.

Additional details:
The gameplay is creative.