Some studies on Cladocera: Moina affinis Birge

Cladocera of Phyllopoda is very common and widely distributed in freshwater and there are more species of Cladocera than Copepoda. In Vietnam also, many kind of species of Cladocera were found by the authors. Since long time, Cladocera is known like one of the best feed for larval stage of fish. This report includes distribution and species of Cladocera in South Vietnam freshwaters; life history of Moina affinis; culture of Moina affinis and the mass culture experimented at the Oceanographic Institute of Nhatrang, Vietnam.