Abstract
Ovigerous crabs of Etisus anagluptus, E. electera, E. frontalis and Etisus sp. (presumably E. demani) were collected from Obhur Creek, north of Jeddah, Red Sea, Saudi Arabia. The morphological features of the first zoea of this species were described for the first time from the Red Sea species and were compared with the first zoea of E. laevimanus known from a previously published study. Setae in the coxal and basal maxillular endite may be used to distinguish E. laevimanus. There are some distinguishing characters between the species such as the length of the rostral spine compared to the antennal protopod, the number of antennule aesthetascs and the antennal exopod ratio. The carapace dorsal spine and the presence of 3.5 setae of the distal endopod segment of the second maxilliped were used to distinguish of the first zoeas in this present study.
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Acknowledgements
This publication is dedicated to Michael Türkay, who has sadly passed away. We would like to thank the team of the Red Sea Biodiversity Surveys in 2012 and 2013 for their help with sampling. The scientific research cooperation between King Abdulaziz University (KAU), Faculty of Marine Sciences (FMS), Jeddah, Saudi Arabia, and the Senckenberg Research Institute (SRI), Frankfurt, Germany, in the framework of the Red Sea Biodiversity Project, during which the present material was collected, was funded by KAU GRANT NO. “I/1/432-DSR”. The authors acknowledge, with thanks, KAU and SRI for technical and financial support.
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Al Haj, A.E., Al Aidaroos, A.M. Description of the first stage zoeas of four species of Etisus (Brachyura, Xanthoidea, Etisinae) reared from the central Red Sea, Saudi Arabia. Mar Biodiv 47, 1185–1191 (2017). https://doi.org/10.1007/s12526-017-0644-0
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DOI: https://doi.org/10.1007/s12526-017-0644-0