FTGC lantern nets are designed for pre-fattening oyster spat in open sea environments. The lantern nets come in various configurations with interchangeable tubular nets ranging from 2mm to 15mm mesh sizes. Trays can be ordered with 5, 10, 20 or more spaces between them and the tubular net easily replaces onto the tray. Protective frameworks and molded rope clips facilitate replacement and protection of net components.