New Mapping Finds the Oceans are Filled With "Dark Vessels"
https://futurism.com/the-byte/mapping-sea-activity-dark-vessels
These Satellite Maps Reveal Rampant Fishing by Untracked ‘Dark Vessels’ in the World’s Oceans
https://www.smithsonianmag.com/smart-news/satellite-maps-reveal-rampant-fishing-untracked-dark-vessels-oceans-180983539/
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@snyde21: My late uncle was a Coastie in the late 1970s through the 1990s and also an avid deep-sea fisherman and fishing boat captain after retirement. He had stories about that, not horror stories but certainly a few suspenseful ones in the mix. Some "dark vessels" fishing illegally are not nice when spotted.