Pinched Mantle?

[haninja]

This is two days ago

alt="" />

This one today

alt="" />

Opinions?

 

[ripped tide]

Any pyramid snails? Any parameter or light changes?

 

[jmaneyapanda]

FW dips are typically well tolerated by clams, and usually are very effective against the pathogen that is purported to cause PM. Have at it.

 

[haninja]

Nothing has changed in the tank in terms of light or parameters.
How would pyramid snails get introduced to a tank. The only thing I have added recently was a corcea clam and it is very happy.
I any case, I guess I would need to remove and dip it. It would be a challenge though because it is well attached to the rock and getting access to cut the byssal thread might be hard.

 

[ripped tide]

Pyramid snails can come in on astrea and turbo snails. The prey on both clams and snails. Have you added any snails to the tank recently?

 

[haninja]

No new snails...

 

[ripped tide]

How does it look today?