Graboids for his bachelor's thesis project at the University of Applied Sciences in Augsburg. It's an excellent introduction to the anatomy and physiology of these desert sharks.
Monstrous Wildlife from Frank Robnik on Vimeo.
And here is some footage of Mongolian Death Worms - close biological cousins to Graboids - interacting with humans in the wild.
If you need more Graboid action, you can watch episodes of the TV series Tremors at Hulu.com.
(Robnik's video via Metafilter)
Tags:science fiction, zoology, movie, graboid