Mysterious Hole in Cabbage Leather

[oceanicwave]

Hi everyone

I have a green cabbage leather that I alrd keep for almost 2 years. It never had any issue at all. Today I suddenly notice it has "a mouth-like" hole at the center.

It is placed at the bottom, but most of the body is under a rock. When i moved the whole body out for a better look, there's a huge hole/"tunnel" in its body (see video/photo Video>> ). Literally 24 hours ago the cabbage was very fine. Other corals has no issue at all.. (my other corals are mostly lps and zoas)

would that be a mysterious creature eating my cabbage leather? Has anyone experienced similar thing before?

Btw My tank is very small (38x38x16cm), been running since 2021. You can see more of my tank details in instagram.com/oceanic.wave

thanks in advance

 

[Doctorgori]

I got one now with a hole
…thats more common than you would think

 

[Doctorgori]

dang 2nd duplicate today

 

[Asagi]

It’s a mystery

 

[Reefering1]

When I hear leather and hole, I think "splitting". Showtime happens faster than other times, but always starts as a hole. I think more flow will help it along. Like wiggling a loose tooth