Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs

Indo-Pacific lionfish have become invasive throughout the western Atlantic. Their predatory effects have been the focus of much research and are suggested to cause declines in native fish abundance and diversity across the invaded range. However, little is known about their non-consumptive effects,...

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Main Authors: Hunt, CL, Andradi-Brown, DA, Hudson, CJ, Bennett-Williams, J, Noades, F, Curtis-Quick, J, Lewis, OT, Exton, DA
Format: Journal article
Language:English
Published: Public Library of Science 2020
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author Hunt, CL
Andradi-Brown, DA
Hudson, CJ
Bennett-Williams, J
Noades, F
Curtis-Quick, J
Lewis, OT
Exton, DA
author_facet Hunt, CL
Andradi-Brown, DA
Hudson, CJ
Bennett-Williams, J
Noades, F
Curtis-Quick, J
Lewis, OT
Exton, DA
author_sort Hunt, CL
collection OXFORD
description Indo-Pacific lionfish have become invasive throughout the western Atlantic. Their predatory effects have been the focus of much research and are suggested to cause declines in native fish abundance and diversity across the invaded range. However, little is known about their non-consumptive effects, or their effects on invertebrates. Lionfish use shelters on the reef, thus there is potential for competition with other shelter-dwelling organisms. We demonstrate similar habitat associations between invasive lionfish, native spiny lobsters (Panulirus argus) and native long-spined sea urchins (Diadema antillarum), indicating the potential for competition. We then used a laboratory experiment to compare activity and shelter use of each species when alone and when lionfish were paired with each native species. Spiny lobsters increased their activity but did not change their shelter use in the presence of a lionfish, whilst long-spined sea urchins changed neither their activity nor shelter use. However, lionfish reduced their shelter use in the presence of spiny lobsters and long-spined sea urchins. This study highlights the importance not only of testing for the non-consumptive effects of invasive species, but also exploring whether native species exert non-consumptive effects on the invasive.
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spelling oxford-uuid:752695e4-121a-4f9c-90ce-720b295e83412022-03-26T20:07:40ZShelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:752695e4-121a-4f9c-90ce-720b295e8341EnglishSymplectic ElementsPublic Library of Science2020Hunt, CLAndradi-Brown, DAHudson, CJBennett-Williams, JNoades, FCurtis-Quick, JLewis, OTExton, DAIndo-Pacific lionfish have become invasive throughout the western Atlantic. Their predatory effects have been the focus of much research and are suggested to cause declines in native fish abundance and diversity across the invaded range. However, little is known about their non-consumptive effects, or their effects on invertebrates. Lionfish use shelters on the reef, thus there is potential for competition with other shelter-dwelling organisms. We demonstrate similar habitat associations between invasive lionfish, native spiny lobsters (Panulirus argus) and native long-spined sea urchins (Diadema antillarum), indicating the potential for competition. We then used a laboratory experiment to compare activity and shelter use of each species when alone and when lionfish were paired with each native species. Spiny lobsters increased their activity but did not change their shelter use in the presence of a lionfish, whilst long-spined sea urchins changed neither their activity nor shelter use. However, lionfish reduced their shelter use in the presence of spiny lobsters and long-spined sea urchins. This study highlights the importance not only of testing for the non-consumptive effects of invasive species, but also exploring whether native species exert non-consumptive effects on the invasive.
spellingShingle Hunt, CL
Andradi-Brown, DA
Hudson, CJ
Bennett-Williams, J
Noades, F
Curtis-Quick, J
Lewis, OT
Exton, DA
Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs
title Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs
title_full Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs
title_fullStr Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs
title_full_unstemmed Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs
title_short Shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on Caribbean coral reefs
title_sort shelter use interactions of invasive lionfish with commercially and ecologically important native invertebrates on caribbean coral reefs
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