Social Velvet Spiders (image) Aarhus University Caption The velvet spider's genome has now been mapped. This image shows a group of social velvet spiders jointly killing their prey. Credit Photo: Peter Gammelby, Aarhus University. Usage Restrictions In relation to this news release 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.