Is this a good kind or bad kind?

[jnmarshall]

This guy has been roving around the tank for a couple of weeks and looks to have settled down next to another nem. I previously posted about it being attached to a snail in this thread http://www.dfwmas.org/Forums/viewtopic.php?f=35&t=96780
Is this possibly some clone that was spit off by this guy http://www.dfwmas.org/Forums/viewtopic.php?f=8&t=96376 after I added him a few weeks ago?
It's now about the size of a nickle. I'm hoping it's a good kind.
[attachment=0]IMG_0387.jpg[/attachment]

 

[jnmarshall]

Cool. Guess since it most likely split off from the other nem as there hasn't been anything else introduced in a long while I guess that makes it from the Sherman variety. For whatever that's worth.

 

[Ashlar]

Yup, even a tiny bit of flesh will grow into a full-sized nem..

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[jnmarshall]

How long did that take grow that size?

 

[Ashlar]

About 3 months, if I recall correctly.