Estimated migration path (11 month) and 95 confidence regions of an Atlantic bluefin tuna (Thunnus thynnus), corrected with a state space unscented Kalman filter, SST, and bathymetry. This fish was tagged with a PSAT on 10/19/2005. (Lutcavage, et al. unpublished data) Figure by B. Galuardi, University of New Hampshire, USA