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Research interest
Overall my research aims at testing behavioural responses (swimming activity, feeding behavior, personality traits, cognitive traits) to different biotic and abiotic factors. I used this approach in different contexts with my collaborators specialized in other research fields. In collaboration with evolutionary ecologists, I investigate how ecological and evolutionary factors shape fishes behaviour or how behavioural mechanisms can be potentially involved in shaping biodiversity between and within populations. In the context of aquaculture resources, my objective is to better understand fishes adaptation to farming conditions and associated welfare (e.g. feed trials, farming procedures etc.) using behaviour as a non-invasive tool.
Overall my research aims at testing behavioural responses (swimming activity, feeding behavior, personality traits, cognitive traits) to different biotic and abiotic factors. I used this approach in different contexts with my collaborators specialized in other research fields. In collaboration with evolutionary ecologists, I investigate how ecological and evolutionary factors shape fishes behaviour or how behavioural mechanisms can be potentially involved in shaping biodiversity between and within populations. In the context of aquaculture resources, my objective is to better understand fishes adaptation to farming conditions and associated welfare (e.g. feed trials, farming procedures etc.) using behaviour as a non-invasive tool.
Research Projects
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2019-2022: Rannís grant. PI of the project aiming at assessing the evolution of cognition of sympatric morphs of Arctic charr (Salvelinus alpinus). 2018-2019: AVS grant. Co-applicant of the project aiming at assessing the benefits of a new prebiotic-enhanced soy meal and its impact on growth performance, gut health and welfare of Arctic charr (Salvelinus alpinus). |
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Current students
PhD
1. Beukeboom, R. 2019-2022. Movement patterns and habitat use in fishes in relation with personality traits. Hólar University.
2. Dellinger, Marion. 2019-2022. Evolution of Arctic charr (Salvelinus alpinus) sympatric morphs cognition. Hólar University.
3. Leeper, A. 2018-2022. Dietary manipulation of the gut microbial community in farmed salmonids- toward optimal production, Norwegian University of Life Sciences: NMBU, Matís, Hólar University
MSc
1. Morris-Bennett, L.A. 2020-2022. Sustainable Culture of Microalgae for Mangrove Oyster Crassostrea Rhizaphorae under Hatchery conditions in Jamaica. HUC, Iceland.
2. Choblet, Maxime, 2020. Spatial cognition in the arctic charr large benthic morph of Thingvalavatn. MSC year 2 internship at HU, University of Rennes 1, France.
3. Philip, Joris 2019-2021. Impact of physical enrichment on personality traits, growth performance and welfare in juvenile arctic charr. HU, Iceland.
4. Vernier, Louise. 2016. Relationship between egg size, metabolic rate, growth and personality traits of individuals in divergent populations of Salmonids. MSc Behavioural Ecology, Hólar University, Iceland (HU internship).
Engineer Schools
1.Caperaa, Maud, 2021. Preference tests in the arctic charr large benthic morph of Thingvalavtan. Ecole Nationale Supérieure des Sciences agronomiques, agroalimentaires, Horticultures et du Paysage, Rennes, France.
2.Pratt Audrey, 2021. Effect of physical enrichment on brain morphology in juvenile arctic charr. AgroParitech, Paris, France.
BSc
Maguinness, Ruth, 2021. Behavioural syndrome in juvenile arctic charr in relation with rearing environment. HAS university of applied sciences year 2, Netherlands (HUC internship).
Former students
Suret, Léo, 2020. How early-life rearing environment impacts welfare in Arctic charr (Salvelinus alpinus) ? A morphological, behavioural and cognitive approach. MSC year 2 internship at HU, University of Rennes 1, France. I was the main supervisor of the research project.
Ladurée, Gabrielle. The Icelandic Arctic charr (Salvelinus alpinus) as a model to inspect the impact of ecological factors on the spatial cognition, 20 pp. MSc Neurosciences-Behavioral sciences, year 1, internship at HU, University of Caen, France. I was the main supervisor of the research project
Sauphar, C. 2019. Sustainable aquaculture, assessing the impact of novel feed ingredients on the growth performance and behaviour of juvenile salmonids. European MSc in Marine Environment and Resources (MER MSc), University of the Basque Country (UPV/EHU). (Matís/HU internship , Iceland).
BSc
Berlizot, Benoit. 2019. Sustainable aquaculture, assessing the impact of novel feed ingredients on the growth performance and behaviour of juvenile salmonids. Intechmer, Cherbourg, France. (HU internship).
PhD
1. Beukeboom, R. 2019-2022. Movement patterns and habitat use in fishes in relation with personality traits. Hólar University.
2. Dellinger, Marion. 2019-2022. Evolution of Arctic charr (Salvelinus alpinus) sympatric morphs cognition. Hólar University.
3. Leeper, A. 2018-2022. Dietary manipulation of the gut microbial community in farmed salmonids- toward optimal production, Norwegian University of Life Sciences: NMBU, Matís, Hólar University
MSc
1. Morris-Bennett, L.A. 2020-2022. Sustainable Culture of Microalgae for Mangrove Oyster Crassostrea Rhizaphorae under Hatchery conditions in Jamaica. HUC, Iceland.
2. Choblet, Maxime, 2020. Spatial cognition in the arctic charr large benthic morph of Thingvalavatn. MSC year 2 internship at HU, University of Rennes 1, France.
3. Philip, Joris 2019-2021. Impact of physical enrichment on personality traits, growth performance and welfare in juvenile arctic charr. HU, Iceland.
4. Vernier, Louise. 2016. Relationship between egg size, metabolic rate, growth and personality traits of individuals in divergent populations of Salmonids. MSc Behavioural Ecology, Hólar University, Iceland (HU internship).
Engineer Schools
1.Caperaa, Maud, 2021. Preference tests in the arctic charr large benthic morph of Thingvalavtan. Ecole Nationale Supérieure des Sciences agronomiques, agroalimentaires, Horticultures et du Paysage, Rennes, France.
2.Pratt Audrey, 2021. Effect of physical enrichment on brain morphology in juvenile arctic charr. AgroParitech, Paris, France.
BSc
Maguinness, Ruth, 2021. Behavioural syndrome in juvenile arctic charr in relation with rearing environment. HAS university of applied sciences year 2, Netherlands (HUC internship).
Former students
Suret, Léo, 2020. How early-life rearing environment impacts welfare in Arctic charr (Salvelinus alpinus) ? A morphological, behavioural and cognitive approach. MSC year 2 internship at HU, University of Rennes 1, France. I was the main supervisor of the research project.
Ladurée, Gabrielle. The Icelandic Arctic charr (Salvelinus alpinus) as a model to inspect the impact of ecological factors on the spatial cognition, 20 pp. MSc Neurosciences-Behavioral sciences, year 1, internship at HU, University of Caen, France. I was the main supervisor of the research project
Sauphar, C. 2019. Sustainable aquaculture, assessing the impact of novel feed ingredients on the growth performance and behaviour of juvenile salmonids. European MSc in Marine Environment and Resources (MER MSc), University of the Basque Country (UPV/EHU). (Matís/HU internship , Iceland).
BSc
Berlizot, Benoit. 2019. Sustainable aquaculture, assessing the impact of novel feed ingredients on the growth performance and behaviour of juvenile salmonids. Intechmer, Cherbourg, France. (HU internship).
Publications
Knobloch, S., Philip, J., Ferrari, S., Benhaïm, D., Bertrand, M. and Poirier, I. (2021). The effect of ultrasonic antifouling control on the growth and microbiota of farmed European sea bass (Dicentrarchus labrax). Marine Pollution Bulletin, 164. https://doi.org/10.1016/j.marpolbul.2021.112072
Horta-Lacueva, Q. J. B., Benhaïm, D., Morrissey, M. B., Snorrason, S. S. and Kapralova, K. H. (in press). Animal personality adds complexity to the processes of adaptive divergence and speciation. BioRxiv. https://doi.org/10.1101/2020.03.02.97161
Kreilling, A.-K., O´Gorman, E. J., Pálsson, S., Benhaïm, D., Leblanc, C. A. L., Ólafsson, J. and Kristjánsson, B. K. (2020). Seasonal variation in the invertebrate community and diet of a top fish predator in a thermally stable spring. Hydrobiologia, 5. https://doi.org/10.1007/s10750-020-04409-5
Benhaïm, D., Leblanc, C.A.L., Horri, K., Mannion, K., Galloway, M., Leeper, A., Knobloch, S., Sigurgeirsson, Ó., Thorarensen, H., (2020). The effect of triploidy on the performance, gut microbiome and behaviour of juvenile Atlantic salmon (Salmo salar) raised at low temperature. Applied Animal Behaviour Science, 229. https://doi.org/10.1016/j.applanim.2020.105031
Poirier, I., Benhaïm, D., Poizot, E., Gallon, R. K., Cauvin, E., Lemarchand, A., Bertrand, M., Lelièvre, C., Murat, A., Benoit, F. and Méar, Y. (2020). Marine aggregates in North Atlantic coast: Microbial characteristics and potential interactions with farmed Atlantic salmon (Salmo salar). Marine Environmental Research, 157. https://doi.org/10.1016/j.marenvres.2019.104864
Leblanc, C. A., Horri, K., Skúlason, S. and Benhaim, D. (2019) Subtle temperature increase can interact with individual size and social context in shaping phenotypic traits of a coldwater fish. PLoS ONE, 14(3). https://doi.org/10.1371/journal. pone.0213061
Benhaïm, D., Akian, D. D., Ramos, M., Ferrari, S., Yao, K. and Bégout, M.-L. (2017). Self-feeding behaviour and personality traits in tilapia: A comparative study between Oreochromis niloticus and Sarotherodon melanotheron. Applied Animal Behaviour Science, 187, 85-92. https://doi.org/10.1016/j.applanim.2016.12.004
Benhaïm, D., Ferrari S., Colchen, T., Chatain, B. and Bégout, M.-L. (2017). Relationship between individual and group learning in a marine teleost: A case study with sea bass under self-feeding conditions. Learning & Behavior, 45, 276-286. https://doi.org/10.3758/s13420-017-0266-1
Ferrari, S., Horri, K., Allal, F., Vergnet, A., Benhaïm, D., Vandeputte, M., Chatain, B. and Bégout, M.-L. (2016). Heritability of Boldness and Hypoxia Avoidance in European Sea bass, Dicentrarchus labrax. PLoS ONE, 11(12), https://doi:10.1371/journal.pone.0168506
O’Brien, C. E., Bowie, M., Billard, P., Darmaillacq, S. A, Jozet-Alves, C., Benhaïm, D., Basuyaux, O. and Dickel, L. (2016). The effect of an artificial incubation environment on hatchling size and behavior in the cuttlefish, Sepia officinalis. Life and Environnement, 66(1), 1-9.
Benhaïm, D., Ferrari, S., Chatain, B. and Bégout, M-L. (2016). The shy prefer familiar congeners. Behavioural Processes, 126, 113-120. https://doi.org/10.1016/j.beproc.2016.03.008
Ferrari, S., Benhaïm, D., Colchen, T., Chatain, B. and Bégout, M.-L. (2014). First links between self-feeding behaviour and personality traits in European seabass, Dicentrarchus labrax. Applied Animal Behaviour Sciences, 161, 131-141. https://doi.org/10.1016/j.applanim.2014.09.019
Benhaïm, D., Bégout, M.L., Chatain, B. (2013). First Insight into Exploration and Cognition in Wild Caught and Domesticated Sea Bass (Dicentrarchus labrax) in a Maze. Plos one, 8(6),https://doi:10.1371/journal.pone.0065872
Benhaïm, D., Guyomard, R., Chatain, B., Quillet, E. and Bégout, M.-L. (2013). Genetic differences for behaviour in juveniles from two strains of brown trout suggest an effect of domestication history. Applied Animal Behaviour Science, 147(1-2), 235-242. https://doi.org/10.1016/j.applanim.2013.04.022
Benhaïm, D., Bégout, M.-L., Péan, S., Manca, M., Prunet, P. and Chatain, B. (2013). Impact of a plant-based diet on behavioural and physiological traits in sea bass (Dicentrarchus labrax). Aquatic Living Resources, 26, 121-131. https://doi.org//10.1051/alr/2013049
Benhaïm, D., Bégout, M.-L. and Chatain, B. (2013). Unfamiliar congener used as a visual attractor in wild caught and domesticated sea bass (Dicentrarchus labrax) placed in a T-maze. Journal of Aquaculture Research and Development, 4(2). http://dx.doi.org/10.4172/2155-9546.1000169
Benhaïm, D., Péan, S., Lucas, G., Blanc, N., Chatain, B., Bégout, M.-L. (2012). Early life behavioural differences in wild caught and domesticated sea bass (Dicentrarchus labrax). Applied Animal Behaviour Sciences141(1-2), 79-90. https://doi.org/10.1016/j.applanim.2012.07.002
Benhaïm, D., Bégout, M.-L., Péan, S., Brisset, B., Leguay, D., Chatain, B. (2012). Effect of fasting on self-feeding activity in juvenile sea bass (Dicentrarchus labrax) in self-feeding conditions. Applied Animal Behaviour Sciences,136(1), 63-73. https://doi.org/10.1016/j.applanim.2011.11.010
Benhaïm, D., Péan, S., Brisset, B., Leguay, D., Bégout, M.-L., Chatain, B. (2011). Effect of size grading on Sea bass (Dicentrarchus labrax) juvenile self-feeding behaviour, social structure and culture performances. Aquatic Living Resource, 24(4), 391-402. https://doi.org/10.1051/alr/2011140
Leblanc, C. A. L., Benhaïm, D., Hansen, B. R., Kristjánsson, B. K., Skúlason, S. (2011). The Importance of Egg Size and Social Effects for Behaviour of Arctic Charr Juveniles. Ethology ,117(8), 664-674. https://doi.org/10.1111/j.1439-0310.2011.01920.x
Benhaïm, D., Leblanc, C. A. L, Lucas, G.(2009). Impact of a new artificial shelter on Arctic charr (Salvelinus alpinus, L.) behaviour and culture performance during the endogenous feeding period. Aquaculture295(1-2), 38-43.
https://doi.org/10.1016/j.aquaculture.2009.06.024
Daufresne, T., Lacroix, G., Benhaïm, D., Loreau, M. (2008). Coexistence of algae and bacteria: a test of the carbon hypothesis. Aquatic Microbial Ecology, 53, 323-332. https://doi.org/10.3354/ame01254doi.org/10.3354/ame01254
Benhaïm, D., Skúlason, S. and Hansen, B. R. (2003). Behavioural variation in juvenile Arctic charr in relation to body size. Journal of Fish Biology 62(6), 1326-1338. https://doi.org/10.1046/j.1095-8649.2003.00114.x
Book chapters
Millot, S., Bégout, M.-L., Benhaïm, D. (2014). Foraging behaviour. In : The Biology of Sea bass (F.J. Sánchez-Vázquez & J.A. Muñoz-Cueto Eds), Science Publishers, Ltd, British Channel Islands, Enfield, New Hampshire, USA, 207-230 pp.
Knobloch, S., Philip, J., Ferrari, S., Benhaïm, D., Bertrand, M. and Poirier, I. (2021). The effect of ultrasonic antifouling control on the growth and microbiota of farmed European sea bass (Dicentrarchus labrax). Marine Pollution Bulletin, 164. https://doi.org/10.1016/j.marpolbul.2021.112072
Horta-Lacueva, Q. J. B., Benhaïm, D., Morrissey, M. B., Snorrason, S. S. and Kapralova, K. H. (in press). Animal personality adds complexity to the processes of adaptive divergence and speciation. BioRxiv. https://doi.org/10.1101/2020.03.02.97161
Kreilling, A.-K., O´Gorman, E. J., Pálsson, S., Benhaïm, D., Leblanc, C. A. L., Ólafsson, J. and Kristjánsson, B. K. (2020). Seasonal variation in the invertebrate community and diet of a top fish predator in a thermally stable spring. Hydrobiologia, 5. https://doi.org/10.1007/s10750-020-04409-5
Benhaïm, D., Leblanc, C.A.L., Horri, K., Mannion, K., Galloway, M., Leeper, A., Knobloch, S., Sigurgeirsson, Ó., Thorarensen, H., (2020). The effect of triploidy on the performance, gut microbiome and behaviour of juvenile Atlantic salmon (Salmo salar) raised at low temperature. Applied Animal Behaviour Science, 229. https://doi.org/10.1016/j.applanim.2020.105031
Poirier, I., Benhaïm, D., Poizot, E., Gallon, R. K., Cauvin, E., Lemarchand, A., Bertrand, M., Lelièvre, C., Murat, A., Benoit, F. and Méar, Y. (2020). Marine aggregates in North Atlantic coast: Microbial characteristics and potential interactions with farmed Atlantic salmon (Salmo salar). Marine Environmental Research, 157. https://doi.org/10.1016/j.marenvres.2019.104864
Leblanc, C. A., Horri, K., Skúlason, S. and Benhaim, D. (2019) Subtle temperature increase can interact with individual size and social context in shaping phenotypic traits of a coldwater fish. PLoS ONE, 14(3). https://doi.org/10.1371/journal. pone.0213061
Benhaïm, D., Akian, D. D., Ramos, M., Ferrari, S., Yao, K. and Bégout, M.-L. (2017). Self-feeding behaviour and personality traits in tilapia: A comparative study between Oreochromis niloticus and Sarotherodon melanotheron. Applied Animal Behaviour Science, 187, 85-92. https://doi.org/10.1016/j.applanim.2016.12.004
Benhaïm, D., Ferrari S., Colchen, T., Chatain, B. and Bégout, M.-L. (2017). Relationship between individual and group learning in a marine teleost: A case study with sea bass under self-feeding conditions. Learning & Behavior, 45, 276-286. https://doi.org/10.3758/s13420-017-0266-1
Ferrari, S., Horri, K., Allal, F., Vergnet, A., Benhaïm, D., Vandeputte, M., Chatain, B. and Bégout, M.-L. (2016). Heritability of Boldness and Hypoxia Avoidance in European Sea bass, Dicentrarchus labrax. PLoS ONE, 11(12), https://doi:10.1371/journal.pone.0168506
O’Brien, C. E., Bowie, M., Billard, P., Darmaillacq, S. A, Jozet-Alves, C., Benhaïm, D., Basuyaux, O. and Dickel, L. (2016). The effect of an artificial incubation environment on hatchling size and behavior in the cuttlefish, Sepia officinalis. Life and Environnement, 66(1), 1-9.
Benhaïm, D., Ferrari, S., Chatain, B. and Bégout, M-L. (2016). The shy prefer familiar congeners. Behavioural Processes, 126, 113-120. https://doi.org/10.1016/j.beproc.2016.03.008
Ferrari, S., Benhaïm, D., Colchen, T., Chatain, B. and Bégout, M.-L. (2014). First links between self-feeding behaviour and personality traits in European seabass, Dicentrarchus labrax. Applied Animal Behaviour Sciences, 161, 131-141. https://doi.org/10.1016/j.applanim.2014.09.019
Benhaïm, D., Bégout, M.L., Chatain, B. (2013). First Insight into Exploration and Cognition in Wild Caught and Domesticated Sea Bass (Dicentrarchus labrax) in a Maze. Plos one, 8(6),https://doi:10.1371/journal.pone.0065872
Benhaïm, D., Guyomard, R., Chatain, B., Quillet, E. and Bégout, M.-L. (2013). Genetic differences for behaviour in juveniles from two strains of brown trout suggest an effect of domestication history. Applied Animal Behaviour Science, 147(1-2), 235-242. https://doi.org/10.1016/j.applanim.2013.04.022
Benhaïm, D., Bégout, M.-L., Péan, S., Manca, M., Prunet, P. and Chatain, B. (2013). Impact of a plant-based diet on behavioural and physiological traits in sea bass (Dicentrarchus labrax). Aquatic Living Resources, 26, 121-131. https://doi.org//10.1051/alr/2013049
Benhaïm, D., Bégout, M.-L. and Chatain, B. (2013). Unfamiliar congener used as a visual attractor in wild caught and domesticated sea bass (Dicentrarchus labrax) placed in a T-maze. Journal of Aquaculture Research and Development, 4(2). http://dx.doi.org/10.4172/2155-9546.1000169
Benhaïm, D., Péan, S., Lucas, G., Blanc, N., Chatain, B., Bégout, M.-L. (2012). Early life behavioural differences in wild caught and domesticated sea bass (Dicentrarchus labrax). Applied Animal Behaviour Sciences141(1-2), 79-90. https://doi.org/10.1016/j.applanim.2012.07.002
Benhaïm, D., Bégout, M.-L., Péan, S., Brisset, B., Leguay, D., Chatain, B. (2012). Effect of fasting on self-feeding activity in juvenile sea bass (Dicentrarchus labrax) in self-feeding conditions. Applied Animal Behaviour Sciences,136(1), 63-73. https://doi.org/10.1016/j.applanim.2011.11.010
Benhaïm, D., Péan, S., Brisset, B., Leguay, D., Bégout, M.-L., Chatain, B. (2011). Effect of size grading on Sea bass (Dicentrarchus labrax) juvenile self-feeding behaviour, social structure and culture performances. Aquatic Living Resource, 24(4), 391-402. https://doi.org/10.1051/alr/2011140
Leblanc, C. A. L., Benhaïm, D., Hansen, B. R., Kristjánsson, B. K., Skúlason, S. (2011). The Importance of Egg Size and Social Effects for Behaviour of Arctic Charr Juveniles. Ethology ,117(8), 664-674. https://doi.org/10.1111/j.1439-0310.2011.01920.x
Benhaïm, D., Leblanc, C. A. L, Lucas, G.(2009). Impact of a new artificial shelter on Arctic charr (Salvelinus alpinus, L.) behaviour and culture performance during the endogenous feeding period. Aquaculture295(1-2), 38-43.
https://doi.org/10.1016/j.aquaculture.2009.06.024
Daufresne, T., Lacroix, G., Benhaïm, D., Loreau, M. (2008). Coexistence of algae and bacteria: a test of the carbon hypothesis. Aquatic Microbial Ecology, 53, 323-332. https://doi.org/10.3354/ame01254doi.org/10.3354/ame01254
Benhaïm, D., Skúlason, S. and Hansen, B. R. (2003). Behavioural variation in juvenile Arctic charr in relation to body size. Journal of Fish Biology 62(6), 1326-1338. https://doi.org/10.1046/j.1095-8649.2003.00114.x
Book chapters
Millot, S., Bégout, M.-L., Benhaïm, D. (2014). Foraging behaviour. In : The Biology of Sea bass (F.J. Sánchez-Vázquez & J.A. Muñoz-Cueto Eds), Science Publishers, Ltd, British Channel Islands, Enfield, New Hampshire, USA, 207-230 pp.
Teaching
Since 2001, I have been teaching several courses from BSc to MSc levels in ethology, physiology, nutrition, anatomy, aquaculture. Teaching has been given in different universities.
Current teaching
Diploma in aquaculture
United Nations University, Fisheries Training Programme (UNU-FTP)
Head of the program at Hólar University
Courses given:
Since 2001, I have been teaching several courses from BSc to MSc levels in ethology, physiology, nutrition, anatomy, aquaculture. Teaching has been given in different universities.
Current teaching
Diploma in aquaculture
- Harvest and processing.
- Fish health and hygiene.
- Fish physiology and water quality in aquaculture.
United Nations University, Fisheries Training Programme (UNU-FTP)
Head of the program at Hólar University
Courses given:
- Introduction to world aquaculture.
- Hatchery.
- On growing.
- Starting up a new farm.