Risky business: how elevated CO₂ and energetic resources affect anti-predator behaviour in a reef fish

This data set contains trial/experimental measurements and water chemistry data. Units are:

  • Length - mm
  • Weight - g
  • Parent treatment and CO₂ treatment - pCO₂

Abstract [Related Publication]: The appropriate behavioural response to predation risk is critical to survival; however, behavioural responses can be subjected to trade-offs. For example, individuals may engage in riskier foraging behaviour to secure sufficient energy if resources are limited. Additionally, elevated CO₂ can influence foraging and antipredator behaviour of marine organisms. Yet, how the availability of energetic resources may influence antipredator behaviour in an elevated CO₂ environment is unknown. We tested the effects of food ration (low and high: 4% and 8%of body weight per day, respectively) on antipredator behaviour at ambient (489 μatm) and elevated (1022 μatm) CO₂ in juvenile Amphiprion percula at 50 d post-hatching. Juveniles were from parents held at either ambient or elevated CO₂, as parental exposure can influence phenotypic response in offspring. Antipredator behaviour was severely impaired by elevated CO₂, with juveniles reared at elevated CO₂ exhibiting no change in feeding rate in the presence of the predator cue compared with a >67% reduction in feeding rate in ambient CO₂ fish. By contrast, food ration had a minor effect on the change in feeding rate in response to the predator cue, with only a 2.3% difference between high and low food ration fish. The effect of elevated CO₂ on antipredator behaviour of juveniles was not influenced by food ration. Parental exposure to elevated CO₂ influenced the baseline feeding rate and exhibited a small carry-over effect in elevatedCO₂ juveniles. These results suggest that reef fish could exhibit riskier behaviour at elevated CO₂ levels, regardless of the energetic resources available.

The full methodology is available in the publication shown in the Related Publications link below.

 

    Data Record Details
    Data record related to this publication Risky business: how elevated CO₂ and energetic resources affect anti-predator behaviour in a reef fish
    Data Publication title Risky business: how elevated CO₂ and energetic resources affect anti-predator behaviour in a reef fish
  • Description

    This data set contains trial/experimental measurements and water chemistry data. Units are:

    • Length - mm
    • Weight - g
    • Parent treatment and CO₂ treatment - pCO₂

    Abstract [Related Publication]: The appropriate behavioural response to predation risk is critical to survival; however, behavioural responses can be subjected to trade-offs. For example, individuals may engage in riskier foraging behaviour to secure sufficient energy if resources are limited. Additionally, elevated CO₂ can influence foraging and antipredator behaviour of marine organisms. Yet, how the availability of energetic resources may influence antipredator behaviour in an elevated CO₂ environment is unknown. We tested the effects of food ration (low and high: 4% and 8%of body weight per day, respectively) on antipredator behaviour at ambient (489 μatm) and elevated (1022 μatm) CO₂ in juvenile Amphiprion percula at 50 d post-hatching. Juveniles were from parents held at either ambient or elevated CO₂, as parental exposure can influence phenotypic response in offspring. Antipredator behaviour was severely impaired by elevated CO₂, with juveniles reared at elevated CO₂ exhibiting no change in feeding rate in the presence of the predator cue compared with a >67% reduction in feeding rate in ambient CO₂ fish. By contrast, food ration had a minor effect on the change in feeding rate in response to the predator cue, with only a 2.3% difference between high and low food ration fish. The effect of elevated CO₂ on antipredator behaviour of juveniles was not influenced by food ration. Parental exposure to elevated CO₂ influenced the baseline feeding rate and exhibited a small carry-over effect in elevatedCO₂ juveniles. These results suggest that reef fish could exhibit riskier behaviour at elevated CO₂ levels, regardless of the energetic resources available.

    The full methodology is available in the publication shown in the Related Publications link below.

     

  • Other Descriptors
    • Descriptor

      This dataset is available as a spreadsheet in MS Excel (.xlsx) and Open Document formats (.ods)

    • Descriptor type Note
  • Data type dataset
  • Keywords
    • ocean acidification
    • energy budget
    • predation
    • trade-offs
    • parental effects
    • climate change
    • ARC Centre of Excellence for Coral Reef Studies
  • Funding source
  • Research grant(s)/Scheme name(s)
  • Research themes
    Tropical Ecosystems, Conservation and Climate Change
    FoR Codes (*)
    • 050101 - Ecological Impacts of Climate Change
    SEO Codes
    Specify spatial or temporal setting of the data
    Temporal (time) coverage
  • Start Date 2015/10/01
  • End Date 2016/10/01
  • Time Period
    Spatial (location) coverage
  • Locations
  • Related publications
      Name McMahon SJ, Donelson JM, Munday PL (2018) Food ration does not influence the effect of elevated CO2 on antipredator behaviour of a reef fish. Mar Ecol Prog Ser 586:155-165.
    • URL https://doi.org/10.3354/meps12397
    • Notes All articles in Marine Ecology Progress Series will become freely accessible to all users 5 years after publication
  • Related websites
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    • URL
    • Notes
  • Related metadata (including standards, codebooks, vocabularies, thesauri, ontologies)
  • Related data
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  • Related services
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    • Notes
    Citation McMahon, Shannon (2017): Risky business: how elevated CO₂ and energetic resources affect anti-predator behaviour in a reef fish. James Cook University. https://doi.org/10.4225/28/58f41e19051c9