Does Flatworm grow to 1 inch or more?

[clowntrigger]

Hi Guys

Recently I find out that there is a creatures that resemble like a flatworm, but it is about 1-1.5 inch in length. The colour of the creatures is the colour of the coraline algae, it blend in very well with the rocks. As for the surface textures, it look like it have armour on it. Anyone can confirm if that is a flatworm? As for pic, not for the time being, still waiting for it to appear again. The last time I see it is at 5am last week...

[Morgan]

More like a nudi cos of the armour or rough surface texture. Flatworm like the name suggest are flat and there are many different species. I have seen flatworm as big as 2" during my dives.

[clowntrigger]

I did a search and find that the creatures that is in my tank look something like these

http://www.sgreefclub.com/forums/index.php...=flatworm&st=15

but the color is actually the same as the coraline algae, if you dont look closely, you will never spot it. Is that harmful?