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Nowadays, the majority of marine debris consists of microplastic particles. For that reason, microplastic pollution in marine environments and its potential impacts on marine animals has been extensively studied. This study was developed to investigate the bioindicator potential of Pterois miles (Bennett, 1828) for the monitoring of microplastic pollution. A totally, 21 individuals were sampled from Iskenderun Bay, northeastern Mediterranean Sea on April 2022, and their gastrointestinal tracts were examined for microplastic occurrence. Mean microplastic abundance was found as 2.06±1.88 particles/individual in positive samples and 1.47±1.83 particles/individual in total samples. The microplastic detection rate was estimated as 71%. In terms of color, black (55%), blue (32%), red (10%) and brown (3%) microplastic particles were detected. Among all, the majority of the extracted particles were fiber in shape (93%) and followed by fragments (7%). The high frequency of detection and microplastic abundance estimated in this study showed that this specie could be used to monitor microplastic pollution in marine environments. [ABSTRACT FROM AUTHOR]

Since 2014, an invasive alien fish species, lionfish, Pterois miles (Bennett, 1828) has been started to distribute in the Turkish Mediterranean Sea coasts and spread out to the Aegean Sea. In the present study, a Cymothoid fish parasite, Nerocila bivittata (Risso, 1816) is reported from the pectoral fin of P. miles caught from the Gulf of Iskenderun (Northeastern Mediterranean) and Bodrum, Turkey (Aegean Sea Coast). This study is the first record of N. bivittata on lionfish P. miles caught from Gulf of Iskenderun. Key diagnostic characters of N. bivittata, some morphological differences observed between the newly collected material of N. bivittata and its previous descriptions, in addition to newly observed additional characters were presented. [ABSTRACT FROM AUTHOR]

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The lionfish Pterois miles (Bennett 1828) was observed by scuba diving in August 2015 at 11 m depth on sandy bottom in Dalyan on the Aegean Sea coast of Turkey. This is a lessepsian species entering the Mediterranean Sea through the Suez Canal. All urgent measures such as killing, eliminating and fishing are proposed to avoid the expansion of this venomous fish species in the Turkish waters and adjacent area. [ABSTRACT FROM AUTHOR]