One of Vónin´s www.vonin.com shrimp trawler clients have made these recordings.
As you can see there is a seal entering above the sorting grid for a free meal on a depth of 400 meters.
24 Jan 2015 TrawlCamera recording from RV Nansei Maru survey
“One of the main interests for our company is to have the ship catching as much as possible and to optimize the catch in several aspects. TrawlCamera is... "