The bigeye sixgill shark evaded discovery until 1962 near Taiwan. In the Atlantic, the species was first recorded in 1969 in the Bahamas, Daly-Engel said.

Sixgill sharks are among the oldest vertebrates on the planet—they evolved over 250 million years ago—but they still remain elusive and mysterious. These aquatic critters dwell at extreme ...

Lurking in the darkness with large green eyes, sixgill sharks kept their genetic secrets hidden amid the ocean depths since before the age of the dinosaurs. Until now. Toby Daly-Engel, a shark ...

Blutnose sixgill shark eats the bait the team laid out. (Credit: OceanX, Florida State University) Bluntnose sixgill sharks are thought to have lifespans approaching 80 years and could grow to 16 ...

The sixgill was spotted as the team explored the water using OceanGate’s Cyclops 1 submarine near British Columbia’s Desolation Sound. The shark was spotted at a depth of 490 feet, and is ...

The bigeye sixgill shark evaded discovery until 1962 near Taiwan. In the Atlantic, the species was first recorded in 1969 in the Bahamas, Daly-Engel said.