Prey detection and prey capture in copepod nauplii

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Prey detection and prey capture in copepod nauplii. / Bruno, Eleonora; Borg, Marc Andersen; Kiørboe, Thomas.

In: PLOS ONE, Vol. 7, No. 10, 2012, p. e47906.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Bruno, Eleonora; Borg, Marc Andersen; Kiørboe, Thomas / Prey detection and prey capture in copepod nauplii.

In: PLOS ONE, Vol. 7, No. 10, 2012, p. e47906.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

Bibtex

@article{d45f1191ffa8440c8c54cb15f9537c53,
title = "Prey detection and prey capture in copepod nauplii",
publisher = "Public Library of Science",
author = "Eleonora Bruno and Borg, {Marc Andersen} and Thomas Kiørboe",
year = "2012",
doi = "10.1371/journal.pone.0047906",
volume = "7",
number = "10",
pages = "e47906",
journal = "PLOS ONE",
issn = "1932-6203",

}

RIS

TY - JOUR

T1 - Prey detection and prey capture in copepod nauplii

A1 - Bruno,Eleonora

A1 - Borg,Marc Andersen

A1 - Kiørboe,Thomas

AU - Bruno,Eleonora

AU - Borg,Marc Andersen

AU - Kiørboe,Thomas

PB - Public Library of Science

PY - 2012

Y1 - 2012

N2 - Copepod nauplii are either ambush feeders that feed on motile prey or they produce a feeding current that entrains prey cells. It is unclear how ambush and feeding-current feeding nauplii perceive and capture prey. Attack jumps in ambush feeding nauplii should not be feasible at low Reynolds numbers due to the thick viscous boundary layer surrounding the attacking nauplius. We use high-speed video to describe the detection and capture of phytoplankton prey by the nauplii of two ambush feeding species (Acartia tonsa and Oithona davisae) and by the nauplii of one feeding-current feeding species (Temora longicornis). We demonstrate that the ambush feeders both detect motile prey remotely. Prey detection elicits an attack jump, but the jump is not directly towards the prey, such as has been described for adult copepods. Rather, the nauplius jumps past the prey and sets up an intermittent feeding current that pulls in the prey from behind towards the mouth. The feeding-current feeding nauplius detects prey arriving in the feeding current but only when the prey is intercepted by the setae on the feeding appendages. This elicits an altered motion pattern of the feeding appendages that draws in the prey <br/>

AB - Copepod nauplii are either ambush feeders that feed on motile prey or they produce a feeding current that entrains prey cells. It is unclear how ambush and feeding-current feeding nauplii perceive and capture prey. Attack jumps in ambush feeding nauplii should not be feasible at low Reynolds numbers due to the thick viscous boundary layer surrounding the attacking nauplius. We use high-speed video to describe the detection and capture of phytoplankton prey by the nauplii of two ambush feeding species (Acartia tonsa and Oithona davisae) and by the nauplii of one feeding-current feeding species (Temora longicornis). We demonstrate that the ambush feeders both detect motile prey remotely. Prey detection elicits an attack jump, but the jump is not directly towards the prey, such as has been described for adult copepods. Rather, the nauplius jumps past the prey and sets up an intermittent feeding current that pulls in the prey from behind towards the mouth. The feeding-current feeding nauplius detects prey arriving in the feeding current but only when the prey is intercepted by the setae on the feeding appendages. This elicits an altered motion pattern of the feeding appendages that draws in the prey <br/>

UR - http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0047906

U2 - 10.1371/journal.pone.0047906

DO - 10.1371/journal.pone.0047906

JO - PLOS ONE

JF - PLOS ONE

SN - 1932-6203

IS - 10

VL - 7

SP - e47906

ER -