On the expedition in the Gerlache Strait, biologist Emil Racoviță made several discoveries, including a flightless midge fly that was later formally named Belgica antarctica by the Belgian entomologist Jean-Charles Jacobs.
Four tectonic blocks are identifiable in the Gerlache Strait area, bounded by two systems of Tertiary strike-slip faults.
[3] In 1934, polar explorer Lincoln Ellsworth reported in the New York Times that a heavy snowstorm and ice made it necessary to change his plan for going from De Gerlache Strait out to sea and south to Adelaide Island.
[5] The writer Dianne Ackerman said she went to Gerlache Strait in the 1990s in order to find inspiration for writing prose.
[7] In 2021, a couple on a ship in the Gerlache Straight captured footage of a gentoo penguin narrowly escaping a few hungry killer whales.