ISBN: 9789381942307 (1 résultats)

Hardcover. Etat : New. 1st Edition. Contents: Preface. 1. Introduction. 2. Review of literature. 3. Methodology. 4. Results. 5. General discussion. 6. Conclusion. Bibliography. From the preface: Fishes account for nearly half the total number of vertebrates. Of the c 39, 900 vertebrate species known to exist so far, 21, 723 are living species of fishes, of which, c 841 are of freshwater and the rest, 11, 650 are marine species. In the Indian region, alone, of the c 2500 species, 930 are freshwater inhabitants and 1570 are marine. Most of the present-day fish fauna is said to have descended from the Pleistocene migrants. The subject assumes further importance and interest in view of fact that, some of the major river systems in North-East (NE) India flow between terrains of India, Myanmar and Bangladesh, indicating, thereby, that, fishes of NE India contains both Myanmarese and Bangladeshi elements.…