elongate janthina

About this species

Janthina globosa is a species of holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae, the violet snails or purple storm snails.

Text from the Wikipedia article “Janthina globosa”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 22 records
February: 28 records
March: 22 records
April: 30 records
May: 15 records
June: 15 records
July: 14 records
August: 8 records
September: 7 records
October: 11 records
November: 16 records
December: 15 records

Depth and water temperature

Depth

Mostly recorded at 0–3,007 m · Deepest record: 3,008 m

0–10 m: 2 records
10–20 m: 1 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 2 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 13 records

Water temperature

Recorded in surface water of 12–29 °C

10–12 °C: 1 records
12–14 °C: 1 records
14–16 °C: 0 records
16–18 °C: 10 records
18–20 °C: 2 records
20–22 °C: 10 records
22–24 °C: 10 records
24–26 °C: 2 records
26–28 °C: 10 records
28–30 °C: 21 records

Photos

(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Michael Berardozzi, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Alberto Alcalá, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Parsa Fard, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Andrew Parker, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: elongate janthina

Names in 1 more languages

Japanese: ルリガイ

Other scientific names: Amethistina laeta, Janthina decollata, Janthina elongata, Janthina iricolor, Janthina laeta, Janthina nitens, Janthina patula, Janthina payraudeaui, Janthina prolongata, Janthina rosea, Janthina splendens

Similar species

Dwarf janthina
Janthina exigua
Bubble raft shell
Janthina janthina
Pale janthina
Janthina pallida
Epitonium jukesianum
Lamellose Wentletrap
Gyroscala commutata
Acrilla acuminata

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
355 open-data records from 1822 to 2010.
Species data updated November 3, 2026.