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Gravity Machine
Gravity Machine

Owenia spp.

Gravity Machine track of a Owenia sp. (Polychaete worm) larva shows highly directed downward swimming behaviour. While this was true for tracks measured during day-time hours, this behaviour was flipped with larvae becoming upward swimmers during night-time. Multi-scale tracking reveals significant fluctuations in the downward swimming velocity possibly due to changes in ciliary activity resulting in a bimodal velocity distribution. Read more in our publication .

AnnelidaHemichordata

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