A comparative study on ichthyofaunal resource of Charan and Manaha Beel of Morigaon District of Assam, India

Abstract

The study relates to the ichthyofaunal resource of two Beels of Morigaon District, Assam, India. Altogether 65 fish species including 5 exotic species belonging to 43 genera under 21 families from 7 orders is recorded from two Beels where 64 species are recorded from Charan Beel and 53 from Manaha Beel. In both the beels 1 species is recorded as endangered as well as data deficient. However, 51 species are recognised as LRlc, 6 as LRnt and other 5 are not evaluated in Charan Beel whereas in Manaha Beel, 44 species has been recorded as LRlc, 4 as LRnt and other 3 species are not evaluated. The taxonomic study shows that Cyprinidae is the dominant family with 23 species contributing 35.94% in Charan and 18 species (33.96%) in Manaha followed by Bagridae (10.94% and 11.32% in Charan and Manaha Beel respectively) and Channidae (7.81% in Charan and 9.43% in Manaha).