NZ Mollusca

Magallana gigas (Thunberg, 1793)

Magallana gigas
Pacific Oyster, 130mm
Classification: Bivalvia - Autobranchia - Ostreida
Synonyms: (=Crassostrea Sacco)
Size/Grows to: Length 200mm, Width 85mm
Distribution: North Island and top of South Island [A.C.I.]
Some known Localities
  • Parengarenga North Head, Far North
  • Japan, (holotype)
  • Brodies Creek (Kauhoehoe Stream), Doubtless Bay
  • Whangaroa Harbour, Northland
  • Tapeka Point, Bay of Islands, Northland
  • Waikare Inlet, Bay of Islands
  • Waikare Inlet, Bay of Islands
  • Snake Bank, Whangarei Harbour
  • High Island, Taurikura, Whangarei Heads
  • Marsden Point, Whangarei
  • Uretiti Beach - Waipu end, Bream Bay, Whangarei
  • Cowans Bay, Mahurangi
  • Dyers Creek Mahurangi Harbour, Northland
  • Casnell Island, Mahurangi Estuary
  • Milford Marina, Wairua Creek, Milford, Auckland
  • Buffalo Beach, Whitianga, southern end near harbour mouth
  • Orakei Basin, Auckland
  • Rungapapa Knoll, WNW of White Island, Bay of Plenty, 188-228 metres *2
  • W side of Town Reach, Sulphur Point, Tauranga Harbour *2
  • Waihi Estuary, Little Waihi, Maketu, SE of Tauranga
  • E end of Ohope Beach, Bay of Plenty
  • Moturoa Wharf, New Plymouth
  • Puponga Inlet, Golden Bay
  • Otaki Beach, Wellington
  • Waikanae River Mouth, Wellington
  • Paraparaumu Beach, Wellington
  • Okari River Lagoon, S of Westport
more localitiesspecies mapgenus map
Notes: Introduced Pacific Oyster
References:
  • Salvi, D., Macali, A., Mariottini, P. 2014: Molecular phylogenetics and systematics of the bivalve family Ostreidae based on rRNA sequence-structure models and multilocus species tree., PLoS ONE, 9(9) (p.3)
  • Eagle, M.K. Dec/2011: Oystering: Notes resulting from an April/2011 field-trip, Poirieria, 36 (p.6)
  • Jenkins, R.J., Meredyth-Young, J.L. 1979: Occurrence of the Pacific oyster Crassostrea gigas off the South Island of New Zealand, New Zealand Journal of Marine and Freshwater Research, 13(1) (p.173)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.376)
  • Gardner, N.W. Sep/1977: Our Oysters, Poirieria, 9(2) (p.35)

Note: Localities are approximate, and represent only some of the known localities for the species.

*2 © Museum of New Zealand Te Papa Tongarewa CC BY-NC-ND