On the occurrence and identification of abudefduf saxatilis (Linnaeus, 1758) in the easternmost mediterranean sea

Rami Tsadok; Maxim Rubin-Blum; Eli Shemesh; Dan Tchernov

doi:https://doi.org/10.3391/ai.2015.10.1.10

On the occurrence and identification of abudefduf saxatilis (Linnaeus, 1758) in the easternmost mediterranean sea

Rami Tsadok, Maxim Rubin-Blum, Eli Shemesh, Dan Tchernov

Department of Marine Biology

University of Haifa

Research output: Contribution to journal › Article › peer-review

Abstract

Specimens of Abudefduf sp. collected in the Levantine region were previously assumed to be the Lessepsian-immigrant Indo-Pacific sergeant Abudefduf vaigiensis (Quoy and Gaimard, 1825). Using phylogenetic analysis of mitochondrial genes cytochrome c oxidase I (COI) and 16S rRNA probed in 10 individuals sampled in the Mediterranean Israel and on 10 individuals sampled in the Red Sea, we established that Atlantic-origin sergeant major Abudefduf saxatilis (Linnaeus, 1758) now occurs along the eastern Mediterranean in shallow coastal rocky habitats. This study showed that misidentifications resulting from phenotypic plasticity and conservative morphological analysis may lead to wrong conclusions regarding the biogeography of studied species. In this respect, molecular tools are necessary to rule between the Lessepsian and Atlantic origin of non-indigenous cryptic species.

Original language	American English
Pages (from-to)	101-105
Number of pages	5
Journal	Aquatic Invasions
Volume	10
Issue number	1
DOIs	https://doi.org/10.3391/ai.2015.10.1.10
State	Published - 1 Jan 2015

Keywords

Indo-Pacific sergeant
Mediterranean
Non-indigenous species
Phylogeny
Sergeant major

All Science Journal Classification (ASJC) codes

Aquatic Science
Water Science and Technology

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https://doi.org/10.3391/ai.2015.10.1.10

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title = "On the occurrence and identification of abudefduf saxatilis (Linnaeus, 1758) in the easternmost mediterranean sea",

abstract = "Specimens of Abudefduf sp. collected in the Levantine region were previously assumed to be the Lessepsian-immigrant Indo-Pacific sergeant Abudefduf vaigiensis (Quoy and Gaimard, 1825). Using phylogenetic analysis of mitochondrial genes cytochrome c oxidase I (COI) and 16S rRNA probed in 10 individuals sampled in the Mediterranean Israel and on 10 individuals sampled in the Red Sea, we established that Atlantic-origin sergeant major Abudefduf saxatilis (Linnaeus, 1758) now occurs along the eastern Mediterranean in shallow coastal rocky habitats. This study showed that misidentifications resulting from phenotypic plasticity and conservative morphological analysis may lead to wrong conclusions regarding the biogeography of studied species. In this respect, molecular tools are necessary to rule between the Lessepsian and Atlantic origin of non-indigenous cryptic species.",

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AU - Rubin-Blum, Maxim

AU - Shemesh, Eli

AU - Tchernov, Dan

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Specimens of Abudefduf sp. collected in the Levantine region were previously assumed to be the Lessepsian-immigrant Indo-Pacific sergeant Abudefduf vaigiensis (Quoy and Gaimard, 1825). Using phylogenetic analysis of mitochondrial genes cytochrome c oxidase I (COI) and 16S rRNA probed in 10 individuals sampled in the Mediterranean Israel and on 10 individuals sampled in the Red Sea, we established that Atlantic-origin sergeant major Abudefduf saxatilis (Linnaeus, 1758) now occurs along the eastern Mediterranean in shallow coastal rocky habitats. This study showed that misidentifications resulting from phenotypic plasticity and conservative morphological analysis may lead to wrong conclusions regarding the biogeography of studied species. In this respect, molecular tools are necessary to rule between the Lessepsian and Atlantic origin of non-indigenous cryptic species.

AB - Specimens of Abudefduf sp. collected in the Levantine region were previously assumed to be the Lessepsian-immigrant Indo-Pacific sergeant Abudefduf vaigiensis (Quoy and Gaimard, 1825). Using phylogenetic analysis of mitochondrial genes cytochrome c oxidase I (COI) and 16S rRNA probed in 10 individuals sampled in the Mediterranean Israel and on 10 individuals sampled in the Red Sea, we established that Atlantic-origin sergeant major Abudefduf saxatilis (Linnaeus, 1758) now occurs along the eastern Mediterranean in shallow coastal rocky habitats. This study showed that misidentifications resulting from phenotypic plasticity and conservative morphological analysis may lead to wrong conclusions regarding the biogeography of studied species. In this respect, molecular tools are necessary to rule between the Lessepsian and Atlantic origin of non-indigenous cryptic species.

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On the occurrence and identification of abudefduf saxatilis (Linnaeus, 1758) in the easternmost mediterranean sea

Abstract

Keywords

All Science Journal Classification (ASJC) codes

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