The effect of parasitic infection by Hematodinium sp. on escape swimming and subsequent recovery in the Norway lobster, Nephrops norvegicus (L.)

Stentiford, G.D., Neil, D.M. , Albalat, A., Milligan, R.J. and Bailey, N. (2015) The effect of parasitic infection by Hematodinium sp. on escape swimming and subsequent recovery in the Norway lobster, Nephrops norvegicus (L.). Journal of Crustacean Biology, 35(1), pp. 1-10. (doi: 10.1163/1937240X-00002296)

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Abstract

Tail flip escape swimming was measured in the Norway lobster, Nephrops norvegicus (Linnaeus, 1758) up to cessation and following 4 hours recovery, and was compared with that of lobsters infected by the parasitic dinoflagellate Hematodinium sp. Swimming in uninfected lobsters comprised around 65 high-power flips in Phase 1 and a variable number of less powerful flips in Phase 2. Lightly-infected lobsters executed fewer flips in Phase 2, and heavily-infected lobsters produced only a few weak flips. Following 4 hours recovery uninfected lobsters produced 84.3% of the flips produced initially, due to a smaller number of Phase 2 tail flips. Infected lobsters showed less recovery, proportional to the severity of infection. The metabolic basis of the two-phase swimming pattern and the reduced performance during infection by Hematodinium is discussed. Our findings have implication for the catchability of uninfected and infected N. norvegicus, especially on fishing grounds where the fishing effort is high.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Neil, Professor Douglas and Albalat, Dr Amaya
Authors: Stentiford, G.D., Neil, D.M., Albalat, A., Milligan, R.J., and Bailey, N.
College/School:College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health
College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Journal of Crustacean Biology
Publisher:Brill Academic Publishers
ISSN:0278-0372
ISSN (Online):1937-240X

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