wierd worm thing?

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ripper171

Feeder Fish
MFK Member
Jan 14, 2009
46
0
0
Winnipeg
hello.....
i've been a freshwater junkie for many years...
I just started my first saltwater tank (25ish gal) bought 3 pounds of live rock form LFS.To my surprise i got some hitchhikers... i have a thingy that doesn't like the light but at night extends a worm\tongue type thing that once attacked my cleaner shrimp while he wondered near by... does anyone know what this might be? is it dangerous? should i remove it from my new live rock? it is obviously nocturnal and extends to up to 4.5 inches in length at night but retracts during the day and is just a little nipple on the rock. please help... i just had a fish die and i don't want to have something harmful to my new tank.
Thanks again for reading, i hope to become more informed with the saltwater creatures soon... I will be finding books and other info to help my new found love for aquariums...
stef.
 
does it look smooth or fuzzy/rough?
does it have obvious mouthparts?
 
looks rough, fuzzy edges.. no mouth, but seems fuzzier at the tip, and does not move around the rock, stays planted in one spot..
thx for input.
 
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