Generation of DNA barcodes in Indian mottled EEL (Anguilla Bengalensis): A threatened ichthyofauna of Assam, India

Abstract

Eels have always been a source of fascination because of their charismatic shape and size. They are good source of animal protein and bear high food values. Dwindling population of eels has meanwhile led certain species to IUCN threatened categories. In spite of these, scientific investigations on the only species of this genus, Anguilla bengalensis, in this region have not been reported much. Many biological questions of the catadromous fish are still unanswered. Quick but authentic identification of threatened species is vital to unveil such query and frame out conservation and management strategies. DNA barcodes utilising partial mitochondrial cytochrome c oxidase I gene and nuclear rhodopsin gene were developed in this current study. Conventional taxonomic information has also been included contemplating inevitable role of it in unambiguous species level discrimination. The study has generated novel barcode of the species from this region to decipher implications on congeneric and conspecific divergence.