G Naser Alavi - University of Guilan, Faculty of Science, Department of Biology, PO Box: ۴۱۳۳۵-۱۹۱۴, Rasht, Iran
A. Bani - University of Guilan, Faculty of Science, Department of Biology, PO Box: ۴۱۳۳۵-۱۹۱۴, Rasht, Iran
S Bagheri - Inland Waters Aquaculture Research Center, Iranian Fisheries Sciences Institute, Agricultural Research Education and Extension Organization (AREEO), Anzali, Iran

This study aims to enlist Rotatoria in the Anzali wetland (southwest Caspian Sea), a wetland which is listed as an international wetland in Ramsar convention (۱۹۷۵) and is an important ecosystem for spawning and early rearing of larvae of anadromous fishes. Samples of rotifers were collected in three regions of the Anzali wetland between  June ۲۰۱۵ and May ۲۰۱۶. A total of ۲۹ genera of rotifers belonging to ۱۷ family are listed and most of species was observed in this study was cosmopolitan. The most diverse genus was Brachionus, comprising ۸ species which compared to previous study, have been seen some changes that may be due to change in quality of inlet water from rivers to the Anzali wetland. Overall, Many reasons could have contributed to the changes in the rotifers composition of the Anzali wetland, notably the serious environmental degradation since the early ۱۹۹۰s.  

Rotifera, Taxa, Abundance, Anzali, Wetland