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3D Models Reveal Sponge Paths on Ocean Floor | Hydro International


April 30, 2021
Sponges are considered to be one of the most primitive forms of animal life, because they have neither locomotion organs nor a nervous system. A team around deep-sea scientist Antje Boetius has now discovered that sponges leave trails on the sea floor in the Arctic deep sea. They conclude that the animals might move actively – even if only a few centimetres per year. They are now publishing these unique findings in the journal Current Biology.
The surprise was great when researchers looked at high-resolution images of the sea floor of the Arctic deep sea in detail: Path-like tracks across the sediments ended where sponges were located. These trails were observed to run in all directions, including uphill. We conclude from this that the sponges might actively move across the sea floor and leave these traces as a result of their movement, reports Dr Teresa Morganti, sponge expert from the Max Planck Institute for Marine Microbiology in Bremen. This is par ....

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