Montipora white / black patch

[OdinCorals]

hey, whats up with my Monti? is it decay? The black stuff looks like algea but I could not blow it off with a syringe. thanks all.

 

[James M]

Can you circle the area

 

[Crabs McJones]

^^agree, it looks like an encrusting monti that's encrusting around your rock.

 

[OdinCorals]

Can you circle the area

here you go, pink/whitish part and the black part.

 

[Flippers4pups]

here you go, pink/whitish part and the black part.

Was it a full circle before?

 

[James M]

here you go, pink/whitish part and the black part.

Just looks like algea or maybe a black sponge....your monti looks good with lots of polyp extension