Janthina exigua


Janthina exigua, also known as the dwarf janthina, is a species of small holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae, the violet snails or purple storm snails.[1]

Janthina exigua
Janthina exigua
Janthina exigua
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Superfamily: Epitonioidea
Family: Epitoniidae
Genus: Janthina
J. exigua
Binomial name
Janthina exigua
Lamarck, 1816


This species is pelagic, and occurs around the world in tropical waters, in other words it is circumequatorial.[1]

It has been recorded from:


The maximum recorded shell length is 15.3 mm.[2]


Minimum recorded depth is 0 m.[2] Maximum recorded depth is 0 m.[2]


  1. ^ a b c d e f g h i j k l m MolluscaBase (2019). MolluscaBase. Janthina exigua Lamarck, 1816. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=140154 on 2019-10-09
  2. ^ a b c Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.