Brown stuff killing anemone

Not to get in the middle of a discussion, but can't any form of stress potentially cause corals and nems to release zooxanthellae? I know bright light is a major cause, but corals bleach from all sorts of things.

OP, how is the nem doing? It honestly just looks like it's pooping to me, and scrunching up is normal for that.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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