Nagaland has 68 fish species, During the study period 15 no. of fish species were collected from the river belonging to 4 orders and 8 families. Different phytoplankton genera observed during investigation are - Myxophyceae: Phormidium, Spirulina, Anabaena, Oscilatoria. Chlorophyceae: Spirogyra, Chlorococcum, Cladophora, Ulothrix, Cosmarium, Chaetophora, Triplocera. Rhodophyceae: Lemnaea.Bacillariophyceae: Cymbella, Navicula, Anomonies, Denticula, Synedra, Flagilaria, Gomphonema, Ceratonies, Tubellaria, Pinnularia, Melosira, Calonies, Gomphonies, Nitzchia, Coconies, Frustulia and Amphora. The bottom fauna of the river is represented by the following benthic groups Ephemeroptera: Cinygmula, Siplonurus. Coleoptera: Beetle larvae Plecoptera: Stoneflies nymph. Annelida: Pheritima postuma. Arthropoda: Crab, Diptera: Culex, Eulalia, Chironomus larvae. Mollusca: Lymnea, Pila, Bellamya.
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