| 摘要 |
<p>A fish cage for use in water comprising a main part (1) made of a watertight, substantially rigid material and having an outlet for effluent (12), wherein the main part is substantially hemispherical. The cage may further include a floating collar (2) from which the main part is suspended, and at least one nozzle (10) adapted to provide a flow tangential to a circumference of the main part (1). Fig 3a Fig 3b Fig 3c</p> |
