Goni Ballooning

[Tahiti]

I've had this goni for about 3 weeks and every morning it swells up like a balloon!

Does anyone know why they might do this?

Mid day it'll extend & look normal but in the morning right before the light comes on (& for a little bit after) it swells. :hmm1:

 

[AlSimmons]

Swelling up like that might be an attempt to move. Lots of LPS corals are known to do this on occasion. (Fungia, Trachyphyllia etc) It makes it a lot easier for a swift current to move the coral in inch or two either way.

 

[Comfyf]

It's a normal behavior, I've got 3 of them in my tank and every other day they swell like that - and deflate to normal size in a matter of minutes - I think they replenish the water they store within. Mine even had "baby's" goniopora twice already - started as a deformity on top of the coral looks like a snow cone on top and slowly deatach itself from the main colony. Also stated by swelling up


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[organism]

Mine does that when it's feeding or sometimes just randomly, seems normal imo.