| Chandloi River is a small, semi-perennial left bank tributary of Chambal River. Its location is 25.23oN Latitudinal and 75.99oE Longitudinal near Kota City, Rajasthan, India. Zooplankton communities colonize almost all fresh water territories. The zooplankton diversity was studied in a segment of Chandloi River (from its origin up to Kaithun village, district Kota, Rajasthan) for a period of two years from October 2018 to September 2020. In the period of present study, a total of 46 species of zooplankton were recorded - 16 species of Rotifera, 14 species of Cladocera, 5 species of Ostracoda and 4 species of Copapoda. Apart from these 7species of protozoans were also observed during the study period. Among these zooplankton Rotifera was found as the dominant group throughout the study period. The highest diversity was recorded in summer while lowest was observed in winter season. Group Rotifera (34.9%) was dominated over Cladocera (30.5%), Copapoda (8.6%), Ostracoda (10.8%) and Protozoa (15.2%).
Keywords: Chadloi River, Cladocera, Copapoda, Ostracoda, Protozoa, Rotifera, Semi-perennial, Zooplankton.
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