Additional instantaneous sinking speed traces for <i>Coscindodiscus wailesii</i> under three experimental conditions. from <i>Coscinodiscus wailesii</i> mutes unsteady sinking in dark conditions Du ClosKevin T. Karp-BossLee A. VillarealTracy J. GemmellBrad 2019 Additional instantaneous sinking speed traces for <i>Coscindodiscus wailesii</i> under three experimental conditions. Diatoms in nutrient-deplete light conditions exhibit more pronounced unsteady sinking than the other two treatments.