Wierd Hitchhiker

[msante79]

Notice These Things In My Tank That Shoot Out These Strings For A Little Bit Then Bring In Back In After A Couple Of Seconds.
Just Wondering If Anybody Knows What They Are.

 

[bang guy]

How many strings? If it's 2 then I'd guess a Vermetid Snail. If it's more I'll need a lot more information. A picture would help.

 

[altoid]

If those strings are greenish, then thats a type of live alagae