Chrysostoma paradoxum

About this species

Chrysostoma paradoxum, common name the orange-mouthed top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

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

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 19 records
February: 10 records
March: 6 records
April: 6 records
May: 15 records
June: 16 records
July: 16 records
August: 29 records
September: 14 records
October: 17 records
November: 11 records
December: 18 records

Depth and water temperature

Depth

Mostly recorded at 12.5 m · Deepest record: 12.5 m

10–20 m: 1 records

Water temperature

Recorded in surface water of 23–30 °C

22–24 °C: 2 records
24–26 °C: 106 records
26–28 °C: 60 records
28–30 °C: 76 records

Photos

(c) Takaaki Hattori, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Takaaki Hattori, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Names in 2 more languages

Japanese: サラサダマ
Simplified Chinese: 金口鐘螺

Other scientific names: Helix paradoxa, Turbo nicobaricus

Similar species

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).
275 open-data records from 1780 to 2023.
Species data updated October 26, 2026.