The sandfish is a species of skink that burrows into the sand and swims through it.

 

Technical application:

reduce friction, might help rescue teams to “dive” into collapsed buildings

Bionic application:

Further description:

Physical effects applied:

Video:

Contact:

Sources:

http://www.livescience.com/33790-sandfish-lizard-movements-studied-search-rescue-robots-strange-snapshots.html

Picture-sources:

https://www.flickr.com/photos/twpierson/5872991290/