Corral for fish with central pole and method to retain a fish in open water

摘要

A pen (100) for fish for aquaculture, comprising: an elongated central pole buoy (110) having an upper pole portion and a lower pole portion; a reserve buoyancy buoy (120) fixed to an upper end of the central pole buoy (110); a lower connection plate (112) fixed to the lower pole portion; an upper connection plate (114) fixed, adjustable, to the upper pole portion; a lower ring (130) having a plurality of flange members; an upper ring (140) having a plurality of flange members; a plurality of first tensioning members (150) having a first end fixed to the lower connection plate (112) and a second end fixed to the corresponding of the lower ring flange members; a plurality of second tension members (152) having a first end fixed to one of the plurality of lower ring flange members and a second end fixed to a corresponding one of the upper ring flange members; a plurality of third tension members (154) having a first end fixed to one of the upper ring flange members and a second end fixed to the upper connection plate (114); a network assembly (160) defining a closed volume and comprising (i) a floor portion fixed to the lower ring (130) and to the central pole buoy, (ii) a wall portion that extends above the floor portion, and (iii) an upper portion that extends inwardly from the wall portion and that is fixed to the upper ring (140) and the central pole buoy (110), a first inner panel (180) having a lower edge adjacent to the floor portion, an inner edge that engages the central pole buoy, and an outer edge adjacent to the wall portion of the net assembly, a second inner panel (182) having a lower edge adjacent to the floor portion, an inner edge that engages the central pole buoy, and an outer edge adjacent to the wall portion of the network assembly, where the first and second panels (180, 182) are configured to define a smaller operating volume within the c network attachment (160), and a coupling station (190) comprising a vertical defense member (191) that is fixed to the upper ring (140).