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Octocorals dominated the seafloor on Chris Mah's Okeanos mission to Johnston Atoll in the remote Pacific Ocean.

Personal Perspectives

Deep-sea octocorals: An ecosystem of their own

The deep-sea is a vast part of the world’s ocean. Even today, it often surprises...

October 2017

Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating sargassum ball. Adult filefish only grow to be about 11

Personal Perspectives

A World Adrift: Life in the Sargassum

The open ocean is surprisingly barren to the naked eye. Every now and again you...

May 2012

data of sea ice coverage in the Arctic

Personal Perspectives

Arctic Sea Ice: A New Low?

At a recent staff meeting a Smithsonian colleague mentioned that one of his...

September 2011