Kromme-Geelhout-Database
Species details
Genus
Genus : Janthina
Family: Janthinidae (Mollusca/Gastropoda)
Taxon : Marine Molluscs
Group : Animal
SPECIES
janthinaNOTES
A shell to 35 mm which is wider than high and has a large aperture. The body whorl is inflated, has a shallow notch in the margin of the outer lip and the columella is twisted. A pelagic species which hangs upside down from a raft of mucus-coated bubbles. Feeds on jellyfish, crustaceans and zooplankton. The eggs are kept in the body until they hatch.
AUTHORITY
(Linnaeus, 1758)Sub Author
Conservation
RareHabit
Not ApplicableLand Invertebrate
n/aColour
- Notes: Violet or white above and dark purple on the base
- Colour: Purple
- Notes: Shell may be white above
- Colour: White
- Colour: Purple
Common Name
- Violet shells
- Bloubottles
- Foam shell
- Skuimskulp
- Purple sea snail
- Bloubottles
Habitat
- NOTES: Collected 1989 on the beach at the river mouth
- HABITAT NAME: Beach
Uses
- None known
- None
Months
- All year
Synonyms for Species
- Helix janthina
- Janthina affininis
- Janthina alba
- Janthina baleata
- Janthina bicolor
- Janthina africana
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Janthina_janthina_0
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Janthina_janthina_1
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