Many areas of the Mangrove is in Indonesia were damaged. The Many factor caused the mangrove damage, are like social economic conditions of fisherman at around the mangrove. The objectives of this research is to identify the relationship between fishermans education background, knowledge of mangrove ecosystem, family economic status and attitude toward behavior. This recearch is a causal correlation with ex-post facto approach. Path analyses was used to analyzed the correlations between the research variables. Path analysis showed that there was significant relations of educational background, knowledge of mangrove ecosystem, family economic status and attitude toward fisherman behavior.