This little dataviz shows the daily hourly totals per grid for 2020 - the frames towards the end show the cumulative yearly totals.
Also showing the link between bathymetry and fishing activity more clearly - i.e. concentrated activity around the Whittard Canyon.
with data from GlobalFishingWatch
Here green pillars show areas where there was less fishing activity in 2020 than 2019, whilst orange shows areas where there was more activity. Taller the pillar - greater the delta.