Brown Flatworm

[macky]

From what I was able to find as far as pictures go online, it is definately a flatworm.

[tlo]

I agree, looks life a flatworm
try this site for an id
http://www.rzuser.uni-heidelberg.de/%7Ebu6/ or
http://www.chucksaddiction.com/hitchworms.html towards the botton of the page

[seashells]

I have never seen anyin either of our tanks. I do have 2 yellow corris wrasse in that tank and they are known to eat flatworms, As well as a Large Squamosa Clam and its never been bothered.

[macky]

I think it may be one of these. Both are from Madeira, Canary Islands and Azores. I measured it when it was up to the glass and it was just over 3" in length.
http://www.rzuser.uni-heidelberg.de/~bu6/flat0092.html
http://www.rzuser.uni-heidelberg.de/~bu6/flat0089.html