Abstract
Being a group of popular model organisms in eco-evolutionary biology, genetic, and genomic research studies, the genus Pungitius with 12 species is the most species-rich genus in the stickleback family Gasterosteidae including the Caspian nine-spine stickleback, Pungitius platygaster (Kessler, 1859), the only known species from southern Caspian Sea basin. Here, the new data based on morphological and molecular characters of the mtDNA COI barcode region, and current distribution range of P. platygaster is presented. These data confirm the validity of P. platygaster among its congeners, being sister clade to P. hellenicus from Greece. Morphologically, it is distinguished from the other congeneric species by complete pelvic girdle, 8−11 dorsal spines, and presence of large lateral scutes. The Caspian nine-spine stickleback is found in several closely placed freshwater and brackish waterbodies in the southern Caspian Sea.
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ACKNOWLEDGMENTS
We are pleased to thank Shiraz University for financial support and F. Zarei (Shiraz University) for preparing the map.
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The research work was funded by Shiraz University.
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All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. The research was approved by Ethics Committee of Biology Department (SU-9233856).
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All the authors contributed to the study conception and design. Fish collection was made by K. Abbasi. Material preparation, and analysis were performed by H.R. Esmaeili and G. Sayyadzadeh. The first draft of the manuscript was written by H.R. Esmaeili and G. Sayyadzadeh. All authors commented on previous versions of the manuscript. All authors read and approved the final version of the manuscript.
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Esmaeili, H.R., Sayyadzadeh, G. & Abbasi, K. New Morphological and Molecular Data on the Southern Ninespine Stickleback, Pungitius platygaster (Gasterosteidae) from Southern Caspian Sea Basin. J. Ichthyol. 63, 1062–1071 (2023). https://doi.org/10.1134/S0032945223060036
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DOI: https://doi.org/10.1134/S0032945223060036