Phase I of the crustacean review covers measures related to the minimum size of Lobster, Crawfish, Brown/edible Crab, Spider Crab and Velvet Crab.
Bydd Rhan I yr adolygiad o gramenogion yn ymwneud â meintiau lleiaf Cimychiaid, Cimychiaid Coch, Crancod Coch, Crancod Heglog a Chrancod Llygatgoch.