Hummingbird bobtail squid (Euprymna berryi) (IMAGE) Marine Biological Laboratory Caption The hummingbird bobtail squid (Euprymna berryi) is a genetically tractable cephalopd model system. Credit Tim Briggs/MBL Cephalopod Program Usage Restrictions Use with credit License Original content 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.