List of meio- and macrozoobenthos groups and species list of macrozoobenthos model groups in the two small rivers of the Cobra river basin (European part of Russia, Komi Republic, National park "Koygorodsky")

The structure, quantitative development of zoobenthos and fauna of benthic invertebrates have been studied. Hydrobiological sampling was carried out in June-July 2021.

Standard methods were used for sampling. As part of the benthic fauna, 85 species and taxa of a higher rank of invertebrates were found, among which the most diverse were caddisflies (21), mayflies (21), stoneflies (13) and oligochaetes (12 species). Quantitative development of the zoobenthos of the Cobra river basin is comparable to the average for the rivers of the Vyatka basin as a whole and was: in the Suran River – 19 thous. ind./m2 and 74.6 g/m2, in the Mytets River – 14.1 thous. ind./m2 and 19.2 g/m2.