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Journal of Oceanology and Limnology

, Volume 36, Issue 4, pp 1374–1382 | Cite as

Infestation and morphological identification of the stalked epizoic barnacle Octolasmis on the blue crab Portunus pelagicus from the Red Sea

  • Rafat Afifi Khattab
Biology
  • 75 Downloads

Abstract

The intensity of infestation of the epizoic stalked barnacle Octolasmis on the blue crab was calculated for a total of 180 individuals collected around Jeddah, the western Red Sea Saudi coast. More than 90% of the crabs were found bearing the Octolasmis at a prevalence rate of 92% and mean intensity of 18.5 ± 18.6 (0–127 epibiont per host). The intensity of infestation increased with host size in the range 90–135 mm. Generally, females were more infested (69%) than the males (31%). Octolasmis angulata occurred mostly on the gills, and the lower side of the gill chambers was more infested (84%) than the upper side (16%) and the left side of gills was also more infested than the right side in both males and females. Further studies are still needed to examine the commensal relationship and its impact on the fishery market of the Red Sea blue crab populations.

Keyword

Octolasmis ecology commensal infestation Portunus pelagicus Red Sea 

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Notes

Acknowledgement

The author appreciates the help of Prof. Mohsen M. El-Sherbiny, Department of Marine Biology, Faculty of Marine Sciences, King Abdulaziz University, Saudi Arabia for great help in identification and also Abdullah Modkhaly for helping in collection and barnacles’ isolation. The author wish to thank Professor Andrew Lawrence (Head of biology Dept, Chester University, UK) for editing the manuscript.

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Copyright information

© Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Faculty of Sciences, Department of BiologyTaibah UniversityMedinaSaudi Arabia
  2. 2.Faculty of Science, Department of Marine ScienceSuez Canal UniversityIsmailiaEgypt

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