Mesh container for sea farming - has floating movable and extendable internal net barriers for trapping and sorting fish by size

摘要

The mesh container (1) is completely enclosed and is sunk and raised in the sea by floats each end. A door is provided for a person to enter a boat when the container is above sea level. Inside the sectors (6) pivoting on a central point (8). These sectors form a semi-circle when extended and are made from net between rigid sides (7). When extended and locked (9), fish are trapped and only those below a certain size can pass through a sizing grid (14). The complete assembly is movable lengthways (12) along the container.