Sea pigs, icefish and trilobites: #Antarctica’s mysterious marine life – in pictures https://www.theguardian.com/environment/gallery/2025/may/08/antarctica-marine-life-denman-glacier-rsv-nuyina-in-pictures

"True trilobites went extinct more than 250m years ago, but the Southern Ocean is home to a living lookalike: Ceratoserolis trilobitoides. They have a segmented, armoured exoskeleton, which helps protect them from predators... after a marine science voyage, a team aboard Australia’s icebreaker, #Nuyina, has collected some remarkable species from the waters around the Denman Glacier"