What Is This?

[Asteria]

Came across this picture
http/24.media.tumblr.com/tumblr_m4199vwCfi1r16yuao1_500.jpg

and now I'm intrigued as to..
Is this actually a fish?
If so what kind of fish is it?

 

[TallTree01]

That is a banded darter.

 

[Asteria]

It's a pretty cool looking fish :3.

 

[LyraGuppi]

Wow, pretty!