There was an invisible spider but i could see his eyes. i did not throw any invisibility potions down.

Put the summary of the bug you're having here
spider invisible but eyes were able to be seen i did not put an invisibility potion down
What I expected to happen was...: there to be a spider that i could see fully
Describe what you thought should happen here
i heard a spider and expected a fully visible spider
What actually happened was...: a spider that was mostly invisible but eyes were visible
Describe what happened here
i heard a spider and turned around to see only the eyes of the spider the rest of him was see through invisible
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...;listen to a spider once
turn around and look at the invislble spider
3. ...it also appears as if the spider was given an invisiblity potion but i promise i didnt throw one down
when i first saw this in survival i killed it but i went into creative to see if i could get a picture of it and i did it also works in creative apparently