Abstract

The present paper reports the spring bloom of the alien scyphomedusa Rhopilema nomadica in the Antalya Bay, in northern Levant Sea. This study also provides additional information with its distribution and biomass values of the species in the eastern Mediterranean.

Highlights

  • Lessepsian migrant Nomad jellyfish Rhopilema nomadica, Galil, Spannier & Ferguson, 1990 entered the Mediterranean through the Suez Canal in the 1970s, which was first described on the Israeli coast in 1990 (Galil et al, 1990)

  • At the beginning of March, intense complaints from the hotels and guests with the observations from the shores revealed the presence of R. nomadica individuals in the Antalya Bay

  • The low average depth causes surface water temperature heats up to 26oC and increase the salinity to 39.3%; these characteristics lead to the emergence of suitable habitat for the Lessepsian migrant R. nomadica (Avşar, 1999)

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Summary

Introduction

Lessepsian migrant Nomad jellyfish Rhopilema nomadica, Galil, Spannier & Ferguson, 1990 entered the Mediterranean through the Suez Canal in the 1970s, which was first described on the Israeli coast in 1990 (Galil et al, 1990). The scyphomedusa continued its spread from east to west in the southern coast of Turkey, and a few vagrant individuals observed in Finike in 2006, in Kaş in 2009 (Öztürk & İşinibilir, 2010) and in Marmaris (Gülşahin & Tarkan, 2011). This Lessepsian migrant has rapidly expanded westward within the central and western Mediterranean during the past eight years.

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Discussion

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