Indian domestic ornamental fish market is dominated by exotic fish varieties. Potential of disease importation in native fish species through live ornamental fish trade has been recognized and concerns have been put not only on importation but also on farm-raising of exotic ornamental fish varieties. So, introduction of exotic ornamental fish varieties could ultimately lead to loss and even extinction of native fish varieties; thus native fishes with ornamental value should come in concern. West Bengal holds numbers of small size fishes which can be utilized as ornamental fishes due to their attractive coloration, shape, size etc.; these are indigenous ornamental fishes of West Bengal. Comprehensive list regarding available indigenous ornamental fishes of West Bengal is lacking. So, this work was conducted to prepare a detail list on available indigenous ornamental fish species of West Bengal along with notation on their bionomics. This book will be helpful to gather basic knowledge about available indigenous ornamental fish species of West Bengal. Thorough compilation of available information on bionomics of all these fish species will also be helpful for the readers.