My "Zoa that keeps on giving" has revealed another hitchhiker. This time possibly harmless, though? For scale, those are closed up Zoa polyps- no worries there, it's deep into nighttime rampdown for them, they seem totally happy when the lights are on higher.
Apologies on the low resolution, it's a phone camera, and cropped very tightly.

Apologies on the low resolution, it's a phone camera, and cropped very tightly.



