T. Maxima mantle losing color?

[NanaReefer]

As the title says. Not the best pics but you can see the clear area on left side.
Any idea of cause?

 

[Naiad]

How long have you had this guy?

 

[NanaReefer]

Since March.

 

[Naiad]

If nothing is shadowing the clam higher up it would likely be some kind of damage or infection that caused the bleaching. Could salt creep have fallen on it?

 

[Mat1018]

For better help a picture with white lights would definitely help people ID what the issue could be.

 

[NanaReefer]

No shadowing, no salt creep, lots of new growth, quick reactions. Just the one faded spot.

 

[Mat1018]

To me in the pictures it looks transparent. Is there anyway to get a better picture maybe from the top down in white light of the clam.

 

[NanaReefer]

Transparent aka bleaching right?

 

[Mat1018]

I can't say it's bleaching or not. How long has it been like that. Have you noticed it spread? To me the clam has a good mantle extension. Colors can change slightly under different lighting conditions just like corals can.

 

[Tahoe61]

Remind us what LED fixture you're using again?

I would not move the clam up at this point.

 

[NanaReefer]

Radion XR30 G3. Clams directly under the light. Last par reading was 110+

Noticed the faded spot about a week ago. Can see it from my couch 5-6' away.

Definitely no plans of moving it.

 

[NanaReefer]

Just measured via Seneye Light Meter and my Clam is actually getting 220 Par. Good/bad?