Sweeper tentacles on acros?

I've never seen an acro with sweeper tentacles, do you have a pic?

Man I cant get a picture with my iPhone that’s worth a darn. I’ve noticed it on my PC Rainbow sometimes too. Not polyp extension either. Clear longer tentacles but no other long long like a normal one
 
I've seen them usually when I've fed the tank a little, stirred up debris, or when the acro is encrusting I see them usually at the base. Sometimes look like a few mm dental floss. I recall some folks said it was normal, other said it was due to some stressor...
 
I've seen them usually when I've fed the tank a little, stirred up debris, or when the acro is encrusting I see them usually at the base. Sometimes look like a few mm dental floss. I recall some folks said it was normal, other said it was due to some stressor...

I’ve noticed them at the same time when feeding or when debris also. Weirdly I’ve noticed them more and more on their happier times. I almost thought it was spawning or something which I know isn’t dangerous.
 
If they look similar to these, look up mesenterial filaments.

1563842849822.jpeg

dec191houirlater014.jpg
 

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