Section 622.302 - Minimum mesh size(a) The minimum allowable mesh size for a net used to fish for pelagic sargassum in the South Atlantic EEZ is 4.0 inches (10.2 cm), stretched mesh, and such net must be attached to a frame no larger than 4 ft by 6 ft (1.2 m by 1.8 m). A vessel in the South Atlantic EEZ with a net on board that does not meet these requirements may not possess any pelagic sargassum.