The paper describes the community structure,the characters of fauna and the relationship between the distribution and inhabiting environments of the benthic fauna in the mangrove regions along the coast of Fujian during October,1984 and May,1985.Among the total 278 species,we found algae with 11 species,Polychaeta with 47 species,Mollusca 72 species,Crustacea 88 species,Echinodermata 11 species,fishes 27 species,and other animal groups 22 species.The dominant and common species are mainly the eurythermic an...