Data from: A water-borne pursuit-deterrent signal deployed by a sea urchin

Sheppard-Brennand H, Poore AGB, Dworjanyn SA

Date Published: January 18, 2017

DOI: http://dx.doi.org/10.5061/dryad.26v0g

 

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Title Release of pedicellariae following simulated attacks
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Description The number of pedicellariae released after simulated fish attack by five species of sea urchin found in the Coffs Harbour region. Fish attack was simulated mechanically by touching and tapping the test with forceps, and control sea urchins were undisturbed.
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Title Palatability of pedicellariae to fish when in an artificial diet
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Description The proportion (count) of artificial diet (1:10 ratio of pureed squid mantle to 0.45 µm filtered seawater, and 5% sodium alginate) with and without pedicellariae consumed by Chromis atripectoralis and Pseudanthias hypselosoma in a laboratory feeding assay.
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Title Palatability of pedicellariae to fish when in an artificial diet in the field
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Description The weight (g) and percent of biomass of artificial diets with and without pedicellariae consumed by Scorpis lineolatus in the field.
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Title Palatability of pedicellariae to fish
Downloaded 1 time
Description The proportion (count) of pedicellariae with venom and with venom extracted consumed by Chromis atripectoralis and Pseudanthias hypselosoma in a laboratory feeding assay.
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Title Do pedicellariae act as a pursuit-deterrent cue?
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Description The response of Chromis atripectoralis and Pseudanthias hypselosoma to water-borne cues from the sea urchin Tripneustes gratilla before and after it has been induced to release pedicellariae, and to seawater with no cue. When no sea urchin was present some fish individuals preferred one side of the flume over another (>60% of time in one channel). The data with a cue thus indicate time (%) spent in treatment water when the sea urchin was on their preferred side.
Download Pursuit_deterrence.txt (2.073 Kb)
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When using this data, please cite the original publication:

Sheppard-Brennand H, Poore AGB, Dworjanyn SA (2017) A water-borne pursuit-deterrent signal deployed by a sea urchin. The American Naturalist 189(6): 700-708. http://dx.doi.org/10.1086/691437

Additionally, please cite the Dryad data package:

Sheppard-Brennand H, Poore AGB, Dworjanyn SA (2017) Data from: A water-borne pursuit-deterrent signal deployed by a sea urchin. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.26v0g
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