Species Images
In a sheltered rock pool, Far North, NZ. 12mm
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Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approxomation of the range of each species within New Zealand.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
N =
North Island
S =
South Island
E =
I =

Elysia maoria Powell, 1937

Classification:Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Plakobranchoidea (Superfamily) > Placobranchidae (Family) > Elysia (Genus)
Size/Grows to:Length 26mm (animal)
Distribution:North Island. Also southern Australia
Geographical Range:AC
Shell absent. Lives on the green alga Codium adhaerens
References and Publications:
  • Morley, M.S., Hayward, B.W. 2015: Intertidal records of 'sea slugs' (nudibranchs and allied opisthobranch gastropods) from northern North Island, New Zealand, Records of the Auckland Institute and Museum, 50 (p.63)
  • Jensen, K.R. 1993: Sacoglossa (Mollusca, Opisthobranchia) from Rottnest Island and central Western Australia. Pp 208-215 in F.E. Wells, D.I. Walker, H. Kirkman & R. Lethbridge (eds.) Proceedings of the Fifth International Marine Biological Workshop, The Marine Flora and Fauna of Rottnest Island, Western Australia, Western Australian Museum, Perth (p.222)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.283)

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