Occurrence of Plotosus lineatus (Thunberg, 1787) from the northeastern Mediterranean coast of Turkey

Bayhan, Yusuf Kenan; Ergüden, Deniz

doi:10.51756/marlife.1178056

Marine and Life Sciences

2022

DOI: 10.51756/marlife.1178056

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Occurrence of Plotosus lineatus (Thunberg, 1787) from the northeastern Mediterranean coast of Turkey

Yusuf Kenan Bayhan

Deniz Ergüden

Abstract: A single specimen of striped eel fish Plotosus lineatus (Thunberg, 1787) has been captured in August 2022 from Mersin Bay, at 3 m depth. This study reveals the second record from Turkish waters and the first occurrence from northeastern Mediterranean coast of Turkey (Mersin Bay). This species has been formed in this region, indicating that its trend has the potential to spread westward along the northern side of coast of Turkey. Besides, this species also first successive alien plotosid recorded from Mediterra… Show more

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Cited by 4 publications

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How complex is the hidden species diversity of the teleost Plotosus genus?

Froufe,

Gomes-dos-Santos,

Matos

et al. 2023

Ichthyol Res

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The striped eel catfish, Plotosus lineatus was first described by Thunberg in 1787 from the Indo-Pacific region in the East Indian Ocean. Since then, the species has been recorded in various marine and brackish habitats in Japan, southern Korea, the Ogasawara Islands, Australia, Lord Howe Island, Palau and Yap in Micronesia, East Africa to Samoa, Madagascar, Red Sea and the Persian Gulf. Occurrences of this species have also been registered in the Mediterranean Sea, a non-native location, indicating a possible biological invasion event. Despite its long history, the taxonomic status of the P. lineatus species complex remains puzzling and uncertain. Here, we analysed all the available mitochondrial cytochrome c oxidase subunit 1 sequences (NCBI and BOLD) from specimens covering the current known distribution range, in an attempt to clarify the evolutionary relationships of different lineages within this species. We deduce nine monophyletic Lineages - I–IX, of P. lineatus with Kimura-2P distances ranging from 2% to 16%, with a mean intraspecific distance of 6%. Strikingly, Lineage V is composed uniquely of Mediterranean-captured individuals, with an unknown evolutionary origin. These findings strongly suggest the need for a careful species taxonomic reassessment. Some Lineages are composed of individuals from specific geographic locations (e.g., Australia and Indonesia), while others include specimens from broader geographic areas (e.g., almost all Indo-Pacific coastline). Additionally, several deposited sequences are most likely the result of morphology-based misidentifications. Due to the biological invasive potential, as well as the use of the species as a valuable physiology model, the P. lineatus species complex requires further attention. Overall our study offers a clear framework for future comparative studies of striped eel catfish individuals captured from different ecosystems.

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How complex is the hidden species diversity of the teleost Plotosus genus?

Froufe,

Gomes-dos-Santos,

Matos

et al. 2023

Ichthyol Res

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‛Trophic switch’ by catfish community from predation to scavenging modulated by human food discard in an estuarine bay

Yogi,

Naik,

Yadav

et al. 2024

Environ Sci Pollut Res

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Addressing the Significance of the Union List with a Focus on Marine Invasive Alien Species Impacts

Slišković,

Božić,

Žanić Mikuličić

et al. 2024

Sustainability

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In the European Union, regulations and policies have been established to prevent and manage invasive alien species (IAS). The EU Regulation 1143/2014/EC, commonly known as the IAS Regulation, identifies species that pose significant ecological risks, requiring a coordinated response across all EU Member States. These species are classified as “species of Union concern” based on thorough risk assessments and standardized procedures within the EU. Accordingly, species are included in The List of Invasive Alien Species of Union Concern (the Union list), which is subject to regular updates through continuous species evaluations. Currently, the majority of the species on this list are terrestrial and freshwater with few marine species represented. The primary aim of this paper is to review the procedure for the inclusion of species in the Union list. The steps for inclusion are outlined by the IAS Regulation and associated legislation, which govern the risk assessment process. In addition, this paper synthesizes available scientific literature and official documents to summarize the impacts of Plotosus lineatus and Rugulopteryx okamurae on biodiversity and ecosystem services. The potential for future updates to the Union list is currently under consideration, and some marine species are within.

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Occurrence of Plotosus lineatus (Thunberg, 1787) from the northeastern Mediterranean coast of Turkey

Cited by 4 publications

References 12 publications

How complex is the hidden species diversity of the teleost Plotosus genus?

How complex is the hidden species diversity of the teleost Plotosus genus?

‛Trophic switch’ by catfish community from predation to scavenging modulated by human food discard in an estuarine bay

Addressing the Significance of the Union List with a Focus on Marine Invasive Alien Species Impacts

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