Hawaiian bobtail squid (IMAGE) University of California - Santa Cruz Caption The Hawaiian bobtail squid (Euprymna scolopes) has a unique symbiotic relationship with the bioluminescent bacteria Vibrio fischeri, which colonize a special light organ in the squid's mantle. Credit David Slater Usage Restrictions For use only with news coverage of this research License Licensed 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.