Template-Type: ReDIF-Article 1.0 Author-Name: Roshni Singh Author-Workplace-Name: Department of Zoology, Chhatrasal Govt. P.G. College, Panna, M.P., India Author-Name: Rasmay Datta Author-Workplace-Name: Department of Zoology, Chhatrasal Govt. P.G. College, Panna, M.P., India Author-Name: Rishabh Dev Saket Author-Workplace-Name: Department of Zoology, Chhatrasal Govt. P.G. College, Panna, M.P., India Title: Dynamics of Planktons and Fish Diversity Abstract: Plankton forms a vital factor of the aquatic environment and act as signs of fish variety, pollution levels and environmental disturbances. They shape an important natural fish food useful resource and play a essential role within the trophic shape of the atmosphere. Phytoplankton and zooplankton serve as bioindicators and are crucial components for the functioning of surroundings and guide a huge variety of surroundings offerings. Plankton usually had complicated interactions with ecological abiotic elements and versions in the distribution of plankton have an effect on the fish variety of the location. Maximum plankton abundance inside the wintry weather months also coincided with maximum fish range corroborating an existing superb courting among the plankton and fish. The fish diversity and habitat are correlated with environmental variables affecting their distribution and populace dynamics. The endemic species had been observed to be declining because of habitat loss, degradation, alterations or changes. Migratory fishes were given disturbed by using the damming in river. Upstream web site had greater fish assemblage than downstream. The physico-chemical parameters of water performed vital position in numerous elements of fishes which include Juvenile levels of many fishes have been located an awful lot more in nicely oxygenated and clean water at the same time as it become being retarded by way of urbanization, over-exploitation and anthropogenic activities. Keywords: Planktons, Fish diversity, Primary productivity, Ecosystem, Bioindicators Journal: Inventum Biologicum: An International Journal of Biological Research Pages: 12-21 Volume: 5 Issue: 2 Year: 2025 File-URL: https://journals.worldbiologica.com/ib/article/view/180 File-Format: text/html File-URL: https://journals.worldbiologica.com/ib/article/view/180/349 File-Format: Application/pdf Handle: RePEc:adg:ibijbr:v:5:y:2025:i:2:p:12-21