what does this creature do?

[reef noob]

i found a yellow leaf worm in my tank, its about half a foot long and i need to know what it does, is it a threat to my reef? will it harm my anemones? what preys on it? need information as soon as possible! additional information helps:question::question::question::question::question:

 

[ccCapt]

Never heard of a yellow leaf worm. I found this, and if it's the same as you have, being that it comes from off the coast of England, it will not survive long in our tropical temp aquariums.
Worm (Green Leaf) | Wild England - an A-Z compendium of England's Native Wildlife

 

[yote]

Sounds more like a spaghetti worms to me.

 

[Bifferwine]

Yep, I agree -- spaghetti worm. I also have never heard of a yellow leaf worm.

 

[dcantucson]

Could be a Lettuce Nudibranch. They look yellow a lot of the time. Does it look like this:

http://www.wetwebmedia.com/MolluscP...p-Sucking Slugs/nudi2[1] lettuce and eggs.jpg