Abstract: The work examines the algal mass present as a source of nutrient in the lakes and ponds for fishes in lower Sindh region. During the study 46 species and 15 varieties of Chlorococcales belonging to Actinastrum (1), Ankistrodesmus (5), Botryococcus braunii (1), Characium (4), Characiopsis (1), Chodatella (1), Coelastrum (2), Crucigenia (1), Dicanthos (1), Dimorphococcus (1), Gloeotaenium (1), Golenkinia (1), Hydrodictyon (1) Kirchneriella (2), Nephrochlamys (1), Oocystis (4), Pediastrum (9), Planktosphaeria (1), Scenedesmus (23), Sorastrum (1), Selenastrum (1), Tetraedron (7), Tetrastrum (1) are described of these Hydrodictyon reticulatum, Tetraedron pentadricum, Sorastrium americanum, Dicanthos belenophorus, Nephrochlamys subsolitaria are reported first time from lower part of Sindh,Pakistan.