Morphometric, meristic analyses and genetic barcoding of Abudefduf spp. specimens collected from Maltese waters have led to the confirmation of the Indo-Pacific sergeant, A. vaigiensis (Quoy and Gaimard, 1825), in the central Mediterranean Sea. Though A. vaigiensis was first visually spotted in April 2013, the first specimen was caught in September 2013 from the Valletta Grand Harbour. Additional specimens were subsequently collected, with some showing morphological signs of reproductive activity indicating the establishment of a growing population.During the same study, observations on the occurrence of the sergeant major, A. saxatilis (Linnaeus, 1758) were also noted revealing that both species are co-existing in the same area and are expanding their geographical range along the Maltese coast. These findings direct toward sustained research and monitoring efforts on these new invasive species which may rapidly influence local coastal communities.
Journal Type : Uluslararası
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