What on earth is this

I just found this crawling in my house, never seen anything like it ever!
This is a link i found with picture of the thing...
http://www.flickr.com/photos/yajairas_pi…

Would like info...we have two pets...and they are indoor, and we just found it crawling around inside...

That's the larva or pupa of a soldier fly.
The soldier fly itself looks like a big dark blue wasp.

These larvae eat garbage. When I had a compost pile, they pretty much infested it.

Probably the larva of a moth of some kind. Just put it in a jar and see wwhat happens.