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Journal article

Prey detection in a cruising copepod

By Kjellerup, Sanne1,2; Kiørboe, Thomas1,2

From

Section for Ocean Ecology and Climate, National Institute of Aquatic Resources, Technical University of Denmark1

National Institute of Aquatic Resources, Technical University of Denmark2

Small cruising zooplankton depend on remote prey detection and active prey capture for efficient feeding. Direct, passive interception of prey is inherently very inefficient at low Reynolds numbers because the viscous boundary layer surrounding the approaching predator will push away potential prey.

Yet, direct interception has been proposed to explain how rapidly cruising, blind copepods feed on non-motile phytoplankton prey. Here, we demonstrate a novel mechanism for prey detection in a cruising copepod, and describe how motile and non-motile prey are discovered by hydromechanical and tactile or, likely, chemical cues, respectively

Language: English
Publisher: The Royal Society
Year: 2012
Pages: 438-441
ISSN: 1744957x and 17449561
Types: Journal article
DOI: 10.1098/rsbl.2011.1073
ORCIDs: Kiørboe, Thomas
Keywords

Animals Copepoda Cues Dinoflagellida Female Greenland Image Processing, Computer-Assisted Marine biology Metridia longa Olfactory Perception Predatory Behavior Touch Perception Videotape Recording Water Movements chemical signals hydromechanical signals prey detection tactile signals

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