Odd bubble in acan bower tissue

[Golfman12]

This acanthastrea bowerbanki has developed a large bubble in its tissue. It inflates with water during the day but shrinks back down at night. Any idea what is happening or what this is?

 

[Shep]

That is very strange, [HASHTAG]#reefsquad[/HASHTAG] what do you think?

 

[kschweer]

That is really weird. I have no clue

 

[Sabellafella]

This acanthastrea bowerbanki has developed a large bubble in its tissue. It inflates with water during the day but shrinks back down at night. Any idea what is happening or what this is?

Bounce banki?

 

[Sabellafella]

Thats pretty cool tho looks like mars, i assume it doesnt look like a polyp bail out nor bad or something to worry about,looks nice n healthy, but thats deff something you dont see everyday

 

[Dtackett]

is it a pimple?

 

[KenBabich]

This acanthastrea bowerbanki has developed a large bubble in its tissue. It inflates with water during the day but shrinks back down at night. Any idea what is happening or what this is?

Hello Golfman12. Any update on the bubble? I posted same question as I have an almost, bluish single bubble that likewise inflates/deflates