What is this frightening critter?

So a bristleworm can't climb glass at all? I assumed the little worm I saw yesterday was a bristle but it was halfway up the side...
They can extend up the glass. Dorvillidae will physically climb and even swim across tank
 

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%
Back
Top