#$%^&*AU2010241399B220140529.pdf#####Abstract The invention relates to a device for supplying gas into water, especially for aquaculture. For enhanced oxygenation we propose a water inlet arrangement with a pipe (4) having a plurality of openings (6) and a Venturi type gas dissolver unit (2) built 5 in the pipe (4), and a surrounding second element (8) having a plurality of openings (10) and/or a fixed or adjustable shield (12). (Figure 1)1/4 WATER INLET --E J OXYGEN/GAS INLET OUTLET 2 c10