Orange debris on frags, snails

[Chortanator]

Can anyone help me ID this orange stuff?

 

[Orectolobidae]

Possibly cyano bacteria judging by the lack of filaments

 

[DSC reef]

Looks like detritus build up.

 

[KJ]

;Bookworm

 

[Chortanator]

Was actually flatworms, mandarinfish ate them all then subsequently and mysteriously died the next day.