Green Snake

[adacaro]

I was cleaning my tank an all of a sudden a long green about 15 in. string with tiny legs comes out an swims across my tank it was really long my tang bite it and all the pieces were swiming it had a tiny head What is it ....

 

[Fluff]

http://www.wetwebmedia.com/polychaeidfaqs.htm

http://www.wetwebmedia.com/wormidfaqs.htm

Hard to say what it was but I doubt it was any kind of threat. Probably some type of polychaete. Try these sites. There are several pages. HTH.