This data set was acquired with a ship-based Navigation system during Laurence M. Gould expedition LMG0505 conducted in 2005 (Chief Scientist: Dr. Bruce Sidell). These data files are of MGDS:Nav format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): Cold body Temperature as an Evolutionary Shaping Force in the Physiology of Antarctic Fishes, and funding was provided by NSF grant(s): ANT01-25890.