The ram's horn squid was filmed off the coast of Australia by researchers with the Schmidt Ocean Institute.
The remains of the giant squid will be preserved in the wet collection of the Iziko South African Museum.
The team were inspired by see-through sea creatures like squids.
Predator-prey attacks like these are rarely seen on the fossil record and offer a snapshot in time during the Sinemurian period.
Dwarf sperm whales can release ink like cephalopods to disorientate predators and other threats. Footage captured near Cape Town, South Africa, shows one whale use the tactic to evade a cape fur seal.
The material could make great military camouflage devices.
The finances behind Hulk Hogan's suit against Gawker and AI's ability to "create" art are among the things we learned in Tech & Science this week.
A protein found in the tentacle's teeth proves versatile and easy to reproduce.
The tentacled creature will be sent to Washington for further study.