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Nautiluses are the sole living cephalopods whose bony body structure is externalized as a shell.
During day time, these animals live at depths around 300 m but during the night they come up to 100 m for feeding and mating
Do chickens Nive in the dark at 100 to 300 m depth?
Slowly, the trap is being raised from the depth. It has been proven that the nautiluses are not harmed when bringing them up to the surface.
One of the crew members collects the nautiluses to bring them back into deeper water.
This is where I stop my descent, at 46 meters ...