Sandfish Lizard (2 of 2) (image) Georgia Institute of Technology Caption Sandfish lizards move rapidly underground through desert sand. Researchers studied how the animal moves and have developed a new model of this undulatory swimming. Credit Gary Meek Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.