An attempt of reforming a new habitable tideland for the mudskippers was made after repairing revetments. The objectives of environmental education, i.e. 1. awareness 2. knowledge 3. attitude 4. skill 5. evaluation 6. participation, was applied to the construction, in order to conserve the mudskippers. According to the application of environmental education, the conservation was not only carried out with knowledge of the constructors or scientists, but also with opinions and effort of the public in general.