First Report of Caligus minimus Otto, 1821 (Copepoda: Siphonostomatoida: Caligidae) from Plankton Samples Collected from Türkiye

Abstract

During a plankton sampling conducted off the northeastern Mediterranean coast of Türkiye, a single female copepod, Caligus minimus Otto, 1821 was collected from a marine plankton sample. C. minimus is a well-known species of the genus Caligus O.F. Müller, 1785 which has been previously reported as a parasite from nine marine fish species belonging to eight different families. To date, however, C. minimus has never been reported from plankton samples. In this study, the general morphology based on the key diagnostic characters of the planktonic C. minimus is presented using confocal laser scanning microscope (CLSM) images. This is the first report of C. minimus from plankton samples off Turkish waters and global marine environments.

Keywords

• Planktonic copepod
• Plankton net
• Mediterranean
• CLSM

Thanks

Acknowledgement: I would like to thank Dr. Gürkan AKBULUT for his technical help during the ichtyoplancton sampling.

Türkiye’den Toplanan Plankton Örneklerinde Deniz Biti, Caligus minimus Otto, 1821 (Copepoda: Siphonostomatoida: Caligidae) İle ilgili İlk Rapor

Abstract

Türkiye’nin kuzeydoğu Akdeniz kıyılarında yürütülen bir plankton örneklemesi sırasında, deniz plankton örneklerinden tesadüfen tek bir dişi Caligid parazitik kopepod, Caligus minimus Otto, 1821 bireyi örneklendi. C. minimus, daha önce sekiz farklı familyaya ait dokuz deniz balığı türünden bildirilen Caligus O.F. Müller, 1985 cinsinin iyi bilinen bir türüdür. Ancak bugüne kadar plankton örneklerinden C. minimus hiç rapor edilmemiştir. Bu çalışmada, konfokal lazer taramalı mikroskobu (CLSM) görüntüleri kullanılarak planktonik C. minimus’un genel morfolojisi ve tür teşhisinde kullanılan belirgin karakterleri sunulmuştur. Bu çalışma, Türkiye ve dünya denizel ortamlarından C. minimus’un planktonik formunun ilk raporudur.

Keywords

• Planktonik kopepod
• plankton ağı
• Akdeniz
• CLSM

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