Anatomy
N. scintillans has a ventral groove within which is located a flagellum, an extension of the cell wall called a tooth, and a striated tentacle involved in ingestion that projects posteriorly. The flagellum does not move the organism and therefore the non-motile N. scintillans depends upon regulation of its buoyancy within the water column – perhaps by controlling its cellular concentration of ions and ammonia.
At least one study has shown that a string of mucus is produced by N. scintillans extending from the tip of the tentacle which then adheres to plankton as it ascends rapidly through concentrations of its prey in the water column.
Read more about this topic: Noctiluca Scintillans
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“I love to see, when leaves depart,
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“Man is a shrewd inventor, and is ever taking the hint of a new machine from his own structure, adapting some secret of his own anatomy in iron, wood, and leather, to some required function in the work of the world.”
—Ralph Waldo Emerson (1803–1882)