ArticleProceedings. Biological sciences2010
Danger of zooplankton feeding: the fluid signal generated by ambush-feeding copepods.
Article in Proceedings. Biological sciences, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Hydrodynamics of cruise swimming and turning maneuvers in Euchaeta antarctica.Scientific reports · 2024Article
- Evolution of Feeding Shapes Swimming Kinematics of Barnacle Naupliar Larvae: A Comparison between Trophic Modes.Integrative organismal biology (Oxford, England) · 2020Article
- Role of Inactivity in Chronic Diseases: Evolutionary Insight and Pathophysiological Mechanisms.Physiological reviews · 2017Review
- A tale of the ciliate tail: investigation into the adaptive significance of this sub-cellular structure.Proceedings. Biological sciences · 2015Article
- Flow disturbances generated by feeding and swimming zooplankton.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Article
- To eat and not be eaten: optimal foraging behaviour in suspension feeding copepods.Journal of the Royal Society, Interface · 2013Article
- Using computational and mechanical models to study animal locomotion.Integrative and comparative biology · 2012Article
- Article
- The fluid dynamics of swimming by jumping in copepods.Journal of the Royal Society, Interface · 2011Article
- Opportunistic vs selective feeding strategies of zooplankton under changing environmental conditions.Journal of plankton researchArticle
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Zooplankton feed in any of three ways: they generate a feeding current while hovering, cruise through the water or are ambush feeders. Each mode generates different hydrodynamic disturbances and hence exposes the grazers differently to mechanosensory predators. Ambush feeders sink slowly and therefore perform occasional upward repositioning jumps. We quantified the fluid disturbance generated by repositioning jumps in a millimetre-sized copepod (Re ∼ 40). The kick of the swimming legs generates a viscous vortex ring in the wake; another ring of similar intensity but opposite rotation is formed around the decelerating copepod. A simple analytical model, that of an impulsive point force, properly describes the observed flow field as a function of the momentum of the copepod, including the translation of the vortex and its spatial extension and temporal decay. We show that the time-averaged fluid signal and the consequent predation risk is much less for an ambush-feeding than a cruising or hovering copepod for small individuals, while the reverse is true for individuals larger than about 1 mm. This makes inefficient ambush feeding feasible in small copepods, and is consistent with the observation that ambush-feeding copepods in the ocean are all small, while larger species invariably use hovering or cruising feeding strategies.
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