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The researchers recorded giant volcano sponges, Antarctic sun stars, giant Antarctic octopus, sea spiders, and a variety of fish at anchorable depths. Credit: Matt Mulrennan / KOLOSSAL.

These animals are known as sessile.For example, sponges spend most of their adult lives attached to surfaces, yet their larvae are free-swimming.

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Queensland Museum’s collection manager of sessile marine invertebrates, Dr Merrick Ekins, said he was able to direct the remotely operated vehicle (ROV), the SuBastian, from his desk at the museum.

The research team believes that sessile organisms like sponges, abundant in the caves and known to produce many specialized metabolites, are major contributors to the local seascape.

Overall, 286 individuals were tested this way. Out of them, 230 were H. margalefi and 56 were in the control group. Trials were conducted in the morning and afternoon, to test for any effects of ...

The researchers hypothesized that sessile organisms like sponges, abundant in these caves and known to produce many specialized metabolites, are major contributors to the local seascape.