Over time, 98 species or species groups have been added to the QMS. For example, tarakihi was added to the QMS in 1986, kahawai in 2004. These are divided into 642 separate fish stocks i.e For snapper, there are six different snapper stocks across the country – SNA 1 (Northland, Hauraki Gulf, Bay of Plenty), SNA 2 (Hawkes Bay, East Cape).