Device for fish farm cage

摘要

The present invention relates to a device for isolating farm cages for fish against undesirable organisms, which device is arrariged enclosing the farm Gage, where the device comprises a fine-meshed fluid-permeable net which is open upwardly and downwardly when arranged round the farm Gage, where the fluid-permeable net will extend a distance down in the farm cage's dcpth direction, in order thereby to form a skirt round the farm cage.