Patent ID: 9072282
Filing Date: 2015-07-07
Classification: A01K,Y02A

Abstract:
1. A fish pen for aquaculture comprising: an elongate spar buoy; a lower connection plate attached to a lower portion of the spar buoy; an upper connection plate adjustably attached to an upper portion of the spar buoy; a rim assembly having a plurality of flange members at spaced circumferential positions on the rim assembly; a plurality of lower cable assemblies, each lower cable assembly having a first end attached to the lower connection plate and a second end attached to one of the plurality of flange members; a plurality of upper cable assemblies, each upper cable assembly having a first end attached to the upper connection plate and a second end attached to one of the plurality of flange members; a net assembly enclosing a volume, the net assembly comprising a lower portion having an inner edge that engages the spar buoy, an upper edge that engages the spar buoy at an elevation above the rim assembly, and a middle portion attached to the rim assembly; a first interior wall having an inner edge attached to the spar buoy and an outer edge that engages the net assembly; a second interior wall having an inner edge attached to the spar buoy and an outer edge that engages the net assembly, wherein the first and second interior walls are configured to cooperatively divide the volume enclosed by the net assembly into a first volume portion and a second volume portion; wherein the second interior wall is pivotable about the spar buoy to thereby selectively reduce the first volume portion.