The largest group of nesting fish ever found lives beneath Antarctic ice

The unexpected find is much larger than any other known collection of fish nests

image of three Jonah’s icefish around two circular nests

Jonah’s icefish (Neopagetopsis ionah) create circular nests with hard rock centers, where the fish can lay over 1,000 eggs.

Alfred Wegener Institute, PS124 OFOBS team

Five hundred meters below the ice covering Antarctica’s Weddell Sea sits the world’s largest known colony of breeding fish, a new study finds.