Fisheries Infosite

Green-Lipped mussel Auckland (West) (MSG9)
Maori name
Scientific name
Perna canaliculus

Physical characteristics

Green-lipped Mussels are predominantly green and can grow to a maximum size of over 240 mm in length.

Life cycle

There is little age data available for Green-lipped Mussel. Maturity is thought to be reached at 27 mm. They are broadcast spawners, and spawning takes place in late spring-autumn.


Green-lipped Mussels are found throughout New Zealand waters but are most common in central and northern parts of the country. They are found to depths of 50 m.

There is some historical catch data on this page relating to catch taken prior to Green lipped mussels entering the QMS in 2004. MSG is now managed under the QMS as the code GLM. Catch and value information relating to to this stock can be found on the GLM species pages.(click here)

Key statistics
Reported commercial catch1 (tonnes)
Quota value estimate2 (NZ$m)
Exports estimate2 (NZ$m)
1 Reported commercial catch is calculated for the 12 month period to 30/09/2025
2 Quota value and exports are calculated pro-rata to reported commercial catch for the 12 month period to 30/09/2025