Fig. 1
From: Basking shark breaching behaviour observations west of Shetland
Basking shark breaching behaviour recorded west of Shetland. a Shetland Islands, b presence of thermal fronts (shown as cumulative days front present within study period), c survey transects by seismic vessel and d cumulative survey effort (minutes) and sightings of breaching basking sharks (black filled circle), sharks observed slow swimming (white filled star) and surfacing (grey filled triangle) for the period July 2nd to August 9th 2013