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Species List for Genus: Janthina
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Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > [unassigned] Caenogastropoda (Order) > Epitonioidea (Superfamily) > Epitoniidae (Family) > Janthina (Genus)
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  • Genus: Janthina

  • Janthina exigua (Lamarck, 1822)
    Height 23mm, Width 21mm
    Violet Snail, Marine, Pelagic, feeds mainly on colonial cnidarians (Physalia, Velella, Porpita). Commonly washed ashore on ocean beaches
    Tropical and temperate seas. West Norfolk Ridge, Raoul, Three Kings and North Islands, northern South Island, Stewart Island and Chatham Islands, from 0-1000m
  • Janthina globosa Swainson, 1826
    Height 32mm, Width 26mm
    Violet Snail, Marine, Native - Non-endemic, Pelagic, feeds mainly on colonial cnidarians (Physalia, Velella, Porpita)
    Tropical and temperate seas. Raoul Island and northern North Island as far south-east as Waihau Bay, from 0-530m
  • Janthina janthina (Linnaeus, 1758)
    Width 40mm, Height 38mm
    Violet Snail, Marine, Native - Non-endemic, Pelagic, feeds mainly on colonial cnidarians (Physalia, Velella, Porpita)
    Tropical and temperate seas. West Norfolk Ridge, Raoul, Three Kings, North, South, Stewart and Chatham Islands, from 0-805m
  • Janthina umbilicata d'Orbigny, 1840
    Height 20mm, Width 17mm
    Marine, Pelagic, feeds mainly on colonial cnidarians (Physalia, Velella, Porpita)
    Tropical and temperate seas. Raoul Island and northern North Island as far south as Motuhora Island
NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil