The effect of parthenogenic eggs in Daphnia magna on prey location by the bluegill sunfish (Lepomis macrochirus)

Richard P Tucker; Sara Penhale Woolpy

doi:10.1007/BF00007738

The effect of parthenogenic eggs in Daphnia magna on prey location by the bluegill sunfish (Lepomis macrochirus)

Richard P Tucker, Sara Penhale Woolpy

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The distance at which the bluegill sunfish (Lepomis macrochirus) can locate Daphnia magna with parthenogenic eggs is shown to be significantly greater than the reactive distance for non-gravid Daphnia of the same size. This difference is due to greater visibility of the gravid prey and not to different locomotor behavior, since there was no correlation between the number of eggs carried by a Daphnia and the antennal beat frequency. Based on this experiment and other observations, an explanation is given for selective predation of polymorphic cladoceran populations.

Original language	English (US)
Pages (from-to)	215-217
Number of pages	3
Journal	Hydrobiologia
Volume	109
Issue number	3
DOIs	https://doi.org/10.1007/BF00007738
State	Published - Feb 1984
Externally published	Yes

Keywords

Daphnia magna
Lepomis macrochirus
parthenogenic eggs
predation
reactive distance

ASJC Scopus subject areas

Water Science and Technology
Pollution
Environmental Science(all)
Oceanography
Aquatic Science

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10.1007/BF00007738

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title = "The effect of parthenogenic eggs in Daphnia magna on prey location by the bluegill sunfish (Lepomis macrochirus)",

abstract = "The distance at which the bluegill sunfish (Lepomis macrochirus) can locate Daphnia magna with parthenogenic eggs is shown to be significantly greater than the reactive distance for non-gravid Daphnia of the same size. This difference is due to greater visibility of the gravid prey and not to different locomotor behavior, since there was no correlation between the number of eggs carried by a Daphnia and the antennal beat frequency. Based on this experiment and other observations, an explanation is given for selective predation of polymorphic cladoceran populations.",

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year = "1984",

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pages = "215--217",

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AU - Tucker, Richard P

AU - Woolpy, Sara Penhale

PY - 1984/2

Y1 - 1984/2

N2 - The distance at which the bluegill sunfish (Lepomis macrochirus) can locate Daphnia magna with parthenogenic eggs is shown to be significantly greater than the reactive distance for non-gravid Daphnia of the same size. This difference is due to greater visibility of the gravid prey and not to different locomotor behavior, since there was no correlation between the number of eggs carried by a Daphnia and the antennal beat frequency. Based on this experiment and other observations, an explanation is given for selective predation of polymorphic cladoceran populations.

AB - The distance at which the bluegill sunfish (Lepomis macrochirus) can locate Daphnia magna with parthenogenic eggs is shown to be significantly greater than the reactive distance for non-gravid Daphnia of the same size. This difference is due to greater visibility of the gravid prey and not to different locomotor behavior, since there was no correlation between the number of eggs carried by a Daphnia and the antennal beat frequency. Based on this experiment and other observations, an explanation is given for selective predation of polymorphic cladoceran populations.

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KW - Lepomis macrochirus

KW - parthenogenic eggs

KW - predation

KW - reactive distance

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The effect of parthenogenic eggs in Daphnia magna on prey location by the bluegill sunfish (Lepomis macrochirus)

Abstract

Keywords

ASJC Scopus subject areas

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