Our survey was conducted from 01/2016– 10/2016 on bivalve species in the Tra Khuc river, Quang Ngai province. Through the results of analysis and the collected samples, there were 11 species belonging to 5 genera of Bivalve class include 4 families: Corbiculidae, Amblemidae, Unionidae, Mytilidae. Among them, the most diverse family is Corbiculidae with 7 species, Unionidae with 2 species (reaching 18.2 %) of Nodularia and Lanceolaria. The Amblemidae has 1 species belonging to 1 genus Oxynaia (reaching 9.1 %), the family Glaucomyidae has 1 species belonging to the genus Glaucomya (reaching 9.1 %).
