What is this weird worm like thing?

[EgotisticObeseChihuahua]

Found this on my gonipora and one on the glass. Don’t mind the Goni with one foot in it’s grave.

 

[Devisissy]

Found this on my gonipora and one on the glass. Don’t mind the Goni with one foot in it’s grave.

That is a flat worm and it is eating your coral.

 

[EgotisticObeseChihuahua]

That is a flat worm and it is eating your coral.

Thanks!