Two new species of medusae (Cnidaria) from the coastal waters of the northern Beibu Gulf

Abstract

Medusae in 116 samples collected from the coastal waters of the northern Beibu Gulf during four seasonal oceanographic cruises from October 2017 to August 2018 were analyzed. In total, 34 species were identified. Two of the species are new to science, Proboscidactyla pentacanalis Xu, Chen & Yang sp. nov. and Helgicirrha apapillata Xu, Chen & Wang sp. nov., and three species are newly recorded in the Beibu Gulf, i.e., Hydractinia vacuolata Xu & Huang, 2006, Proboscidactyla flavicirrata Brandnt, 1834 and Phialella macrogona Xu, Huang & Wang, 1985. Collections of the species were deposited at the Third Institute of Oceanography, Ministry of Natural Resources.

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Acknowledgements

We are thankful for Jiaqi Huang (Xiamen University, China) for helping in medusae identification and the critical reading of the manuscript. We also thank the zooplankton research group in Third Institute of Oceanography, Ministry of Natural Resources, for providing useful comments on the manuscript.

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Correspondence to Chunguang Wang.

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Foundation item: The National Natural Science Foundation of China under contract No. 41406216; the foundation of Third Institute of Oceanography under contract No. 2013016; the Global Climate Change and Ocean Atmosphere Interaction Research, Biological Classification System Research and the Marine Biological Sample Museum Upgrade and Expansion under contract No. GASI-01-02-04.

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Chen, X., Yang, Y., Wang, Y. et al. Two new species of medusae (Cnidaria) from the coastal waters of the northern Beibu Gulf. Acta Oceanol. Sin. 39, 82–89 (2020). https://doi.org/10.1007/s13131-020-1695-9

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Key words

  • medusae
  • Cnidaria
  • new species
  • coastal waters
  • northern Beibu Gulf