Freshwater Fishes of the Eastern Himalayas provides a guide to describe the internationally accepted methods used in the accurate identification of fishes, morphometry, i.e., body proportions, meristics, i.e., counts of countable characters, viz., scales, fin rays, pores, vertebrae etc., characters of bones wherever necessary, special characters, viz., serrations of fin spines, axillary lobes, lobes, colour patterns, etc. All the available taxa of the region are covered, making this an essential reference that provides the original description of genera and species. Diagnostic characters in the book can be easily examined by an unaided eye or by a binocular dissecting microscope with transmitted light.
2. Methods Adopted
3. Systematic Index
4. Systematic Account
5. Miscellaneous Notes
Waikhom Vishwanath has been working in the field of freshwater fish taxonomy since 1980, published more than 100 research papers, authored/co-authored 7 books, discovered more than 90 new species, redescribed some species and solved taxonomic problems of several species.