Scientists document seasonal migrations of fish across the deep-sea floor for the first time


DELOS ROV Operations. Credit: DELOS Consortium

We’ve all seen the documentaries that feature scenes of mass migrations on land. Those videos are pretty impressive showing all sorts of animals—birds, mammals and other creatures—on the move. What wasn’t known was to what extent this was taking place in the deepest parts of our oceans.

That was until now.
Scientists have, for the first time, documented seasonal migrations of fish across the seafloor in deep-sea fish, revealing an important insight that will further scientific understanding of the nature of our planet.
“We are extremely excited about our findings, which demonstrate a previously unobserved level of dynamism in fishes living on the deep sea floor, potentially mirroring the great migrations which are so well characterised in animal systems on land,” said Rosanna Milligan, Assistant Professor at Nova…



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