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Personality profiling may help select better cleaner fish for sea-lice control in salmon farming / Ben Whittaker, S Consuegra del Olmo, Carlos Garcia De Leaniz

Applied Animal Behaviour Science, Volume: 243, Start page: 105459

Swansea University Authors: Ben Whittaker, S Consuegra del Olmo, Carlos Garcia De Leaniz

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Abstract

Lumpfish (Cyclopterus lumpus) are increasingly being used as cleaner fish to control parasitic sea-lice in salmon farming, but cleaning rates are very variable and not all individuals eat sea-lice, which increases the risk of emaciation and has ethical and practical implications. Selecting good clea...

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Published in: Applied Animal Behaviour Science
ISSN: 0168-1591
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57979
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spelling 2021-10-27T14:47:16.0019193 v2 57979 2021-09-20 Personality profiling may help select better cleaner fish for sea-lice control in salmon farming bb3058b14dbf3842cae971aaad59bafb Ben Whittaker Ben Whittaker true false 241f2810ab8f56be53ca8af23e384c6e 0000-0003-4403-2509 S Consuegra del Olmo S Consuegra del Olmo true false 1c70acd0fd64edb0856b7cf34393ab02 0000-0003-1650-2729 Carlos Garcia De Leaniz Carlos Garcia De Leaniz true false 2021-09-20 SBI Lumpfish (Cyclopterus lumpus) are increasingly being used as cleaner fish to control parasitic sea-lice in salmon farming, but cleaning rates are very variable and not all individuals eat sea-lice, which increases the risk of emaciation and has ethical and practical implications. Selecting good cleaners is a priority to make the industry more sustainable, but there is little information on what behaviours make cleaner fish effective under a commercial setting. We examined variation in lumpfish personalities according to the five-factor personality model that takes into account differences in activity, anxiety (shelter use, thigmotaxis), aggression, sociality, and boldness (neophobia). We then quantified how variation in lumpfish personalities influenced interactions with naïve Atlantic salmon (Salmo salar), without the confounding effects of variation in sea-lice loads. Variation in activity, sociality, aggression and neophobia, but not in anxiety, was repeatable. Neophilic, non-aggressive lumpfish spent more time inspecting salmon than neophobic and aggressive individuals, but salmon fled in the presence of the most active and social individuals, suggesting there may be an optimal cleaner fish personality amenable to artificial selection. The personality screening protocols developed in this study could inform a more efficient use of cleaner fish in salmon farming and reduce the number of individuals required to control sea-lice. Journal Article Applied Animal Behaviour Science 243 105459 Elsevier BV 0168-1591 Cleaner fish, Activity, Neophobia, Sociality, Aggression, Repeatability 1 10 2021 2021-10-01 10.1016/j.applanim.2021.105459 Preprint version of the article before certification by peer review is availabel at https://www.biorxiv.org/content/10.1101/2021.05.21.444956v1 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University Marine Harvest Scotland through the LUMPFISH Project and the Welsh Government via the European Regional Development Fund (SMARTAQUA Operation) 2021-10-27T14:47:16.0019193 2021-09-20T12:30:38.0035060 College of Science Biosciences Ben Whittaker 1 S Consuegra del Olmo 0000-0003-4403-2509 2 Carlos Garcia De Leaniz 0000-0003-1650-2729 3 57979__21322__9afd482c331843439035965d4ae1b3ee.pdf 57979.pdf 2021-10-27T14:43:08.0073714 Output 2049296 application/pdf Version of Record true © 2021 The Authors. This is an open access article under the CC BY-NC-ND license true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
spellingShingle Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
Ben, Whittaker
S, Consuegra del Olmo
Carlos, Garcia De Leaniz
title_short Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
title_full Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
title_fullStr Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
title_full_unstemmed Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
title_sort Personality profiling may help select better cleaner fish for sea-lice control in salmon farming
author_id_str_mv bb3058b14dbf3842cae971aaad59bafb
241f2810ab8f56be53ca8af23e384c6e
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author_id_fullname_str_mv bb3058b14dbf3842cae971aaad59bafb_***_Ben, Whittaker
241f2810ab8f56be53ca8af23e384c6e_***_S, Consuegra del Olmo
1c70acd0fd64edb0856b7cf34393ab02_***_Carlos, Garcia De Leaniz
author Ben, Whittaker
S, Consuegra del Olmo
Carlos, Garcia De Leaniz
author2 Ben Whittaker
S Consuegra del Olmo
Carlos Garcia De Leaniz
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container_title Applied Animal Behaviour Science
container_volume 243
container_start_page 105459
publishDate 2021
institution Swansea University
issn 0168-1591
doi_str_mv 10.1016/j.applanim.2021.105459
publisher Elsevier BV
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hierarchy_parent_title College of Science
department_str Biosciences{{{_:::_}}}College of Science{{{_:::_}}}Biosciences
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description Lumpfish (Cyclopterus lumpus) are increasingly being used as cleaner fish to control parasitic sea-lice in salmon farming, but cleaning rates are very variable and not all individuals eat sea-lice, which increases the risk of emaciation and has ethical and practical implications. Selecting good cleaners is a priority to make the industry more sustainable, but there is little information on what behaviours make cleaner fish effective under a commercial setting. We examined variation in lumpfish personalities according to the five-factor personality model that takes into account differences in activity, anxiety (shelter use, thigmotaxis), aggression, sociality, and boldness (neophobia). We then quantified how variation in lumpfish personalities influenced interactions with naïve Atlantic salmon (Salmo salar), without the confounding effects of variation in sea-lice loads. Variation in activity, sociality, aggression and neophobia, but not in anxiety, was repeatable. Neophilic, non-aggressive lumpfish spent more time inspecting salmon than neophobic and aggressive individuals, but salmon fled in the presence of the most active and social individuals, suggesting there may be an optimal cleaner fish personality amenable to artificial selection. The personality screening protocols developed in this study could inform a more efficient use of cleaner fish in salmon farming and reduce the number of individuals required to control sea-lice.
published_date 2021-10-01T04:18:27Z
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