Physalia is an innovative scientific architectural vessel prototype that aims to meet the need of new generation floating purification station in order to sensitize the population with sulpher and carbon free ecological tools. This amphibious vessel concept is a half earthly and half aquatic floating agora that not only deals with ecology by savingwater, but also elaborates strategic solutions to sentient the fluvial network. With its various functional features, this vessel not only contributes the environment by saving water, refilling ground waters, controlling domestic, industrial and rainwater recycling, purifying agriculture pollutions (nitrates, plant health), desalinating sea?water and many more, but also promotes the waterways as fluvial tourism and commercial transport, water sports, agriculture irrigation, hydro-electricity production, protection against floods, and many more.