Description: English: Head of an arrow worm, Sagitta" sp. Date: 20 July 2007. Source: http://planktonnet.awi.de/index.php?contenttype=image_details&itemid=14130#content. Author: Otto Larink. Camera location 54° 06′ 36″ N, 7° 54′ 00″ E: View all coordinates using: OpenStreetMap - Google Earth: 54.110000; 7.900000. From Heligoland, North Sea Licensing[edit] : This file is licensed under the Creative CommonsAttribution 3.0 Unported license.:. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). http://creativecommons.org/licenses/by/3.0 CC BY 3.0 Creative Commons Attribution 3.0 truetrue.