is this a nudibranch

[AZINDY]

I have found a few of these in our tank. They are only about 2mm long or so and look like a "slug". I'm just trying to figure out if they are harmful or not.

They look to be blue in color with 3-4 white diamonds on thier back. Here are 3 pics, they aren't very good pics because these things are so small its hard to get a good pic of them.







I can send these pics to anyone that can edit them to a bigger pic of the create with out distorting it. I've tried but these pics are the best I have been able to do.

[chrischris]

can you circle it

[AZINDY]

Originally Posted by chrischris

can you circle it

[tims]

it maybe one. a bit hard to tell

[VWD]

It is very hard to see in the picture, If it moves then it may very well be

[Loverotties]

Hard to tell in that pic,but it kinda does look like one.