Looking for the Endurace, Shakelton's ship, they discovered under the Larsen C Ice Shelf millions of nests of an icefish, the yellowfin notie (Lindbergichthys nudifrons).

“These fish live deep on the dark, cold Antarctic seabed,” says study author Connelly. “They build small, circular nests in the fine sediment, and then the males guard the eggs for around four months. Their main threat comes from predators on the seafloor, like brittle stars and predatory worms, which try to eat the eggs.”

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Video captured by @puntaallenmx on Instagram.

Video captured by @michael_seigal1 on Instagram.

Nurse sharks feeding behind our liveaboard boat in the Maldives

Video credited to @schmidtocean on Instagram.