The textures of certain mobs make water invisible when out of the water, as seen in the example:
Related issues
Attachments
Comments

[media][media][media]

Please do not mark unreleased versions as affected.
You don't have access to them yet.

Thank you for your report!
However, this issue is a Duplicate of MC-9553.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki