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Absorbent and yellow and … mobile? Sea sponges on the move in Arctic Ocean A new study suggests that sea sponges are moving across the seafloor of the Arctic Ocean, which challenges the idea that these creatures are primarily immobile. Previous research has shown that sponges can make limited movements in a laboratory setting, but this is the first time sea sponge trails have been observed in the ocean and attributed to sponge movement. The researchers hypothesize that the sponges are moving to find food or disperse juveniles, although further research is needed before conclusions can be drawn. Sea sponges don’t move. At least, that’s what a lot of people used to think about these aquatic invertebrates. But a new study has upended this assumption, and pushed and prodded scientific thought into a new direction.

Atlantic oceanArctic oceanPacific oceanJoana xavierLangseth ridgeAmanda kahnUniversity of albertaMarine researchEnvironmental researchSea research partAlfred wegener helmholtz centre for polarUniversity of porto interdisciplinary centre marineNorth atlanticAutun purserAlfred wegener helmholtz centreSally leys