Aplysia argus Rüppell & Leuckart, 1830
Animal 400mm
Marine
Northland. Worldwide in warm seas

Aplysia extraordinaria (Allan, 1932)
Animal 400mm
Sea Hare, Marine, An active swimmer, vigorously flapping its large parapodia and flexing its body up and down
Kermadec Islands. Several specimens seen subtidally down to 30 metres in sand and fine gravel. Great Barrier Island below low tide

Aplysia juliana (Quoy & Gaimard, 1832)
Animal 300mm
Marine
North, South and Stewart Island. Intertidal and shallow subtidal. Also widespread in Pacific Ocean

Aplysia keraudreni Rang, 1828
Animal 250mm
Marine
North and South Islands. Also Society Islands

Aplysia cf. parvula
Animal 75mm
Marine
North and South Island, and Australia

Aplysia sagamiana Baba, 1949
Animal 350mm
Marine

Bursatella leachii Blainville, 1817
Animal 120mm
Ragged Sea Hare, Marine, No internal shell
North Island

Dolabrifera brazieri G.B. Sowerby II, 1870
Length 16mm, Width 7mm. Animal 100mm
Marine
Northland east coast. Also New South Wales, Australia and Kermadec Islands

Stylocheilus longicauda (Quoy & Gaimard, 1825)
Animal 75mm
Marine, Shell absent. Slimmer body and longer tail than Bursatella leachii
Northland, low intertidal. Also New South Wales, Australia and Lord Howe Island, intertidal to subtidal down to at least 27 metres

Stylocheilus striatus (Quoy & Gaimard, 1832)
Marine
Circum-tropical (Indo-West Pacific and Atlantic)