Chimaera swimming over the sediment at the Kermadec Trench (depth: 1544 m) and then plunging its mouth into the sediment to feed. (VIDEO)

Faculty of Sciences of the University of Lisbon

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The video shows a chimaera swimming over the sediment at the Kermadec Trench (depth: 1544 m) and then plunging its mouth into the sediment to feed. In the new study, scientists studied the behaviour of modern fishes to understand the behaviours associated with the earliest fossils of deep-sea vertebrates.

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Thomas Linley, Alan Jamieson.

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