Invisible Drowned

Hi, are you using Optifine?

No, I'm not using any mods. 

Please attach a screenshot of this occurring while the F3 debug screen is enabled.

_{This issue is being temporarily closed as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.}

Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki