White Pacific glassy-bubble

Atys naucum

Molluscs
IUCN: Not evaluated

Usual depth4–44 m
Water temperature20–30 °C
Best monthsFebruary, July, and August
How commonRare

Photo credit: (c) Richard Parker, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Atys naucum, common names the "white nut sheath bubble'" and the "Pacific nut sheath bubble", is a species of small tropical sea snail, a bubble snail, a marine opisthobranch gastropod mollusk in the family Haminoeidae, the haminoea bubble snails.

Text from the Wikipedia article “Atys naucum”, 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: 23 records
February: 26 records
March: 19 records
April: 16 records
May: 12 records
June: 14 records
July: 24 records
August: 30 records
September: 19 records
October: 16 records
November: 13 records
December: 18 records

Depth and water temperature

Depth

Mostly recorded at 4–44 m · Deepest record: 700 m

0–10 m: 10 records
10–20 m: 8 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 1 records
50–60 m: 0 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: 2 records

Water temperature

Recorded in surface water of 20–30 °C

20–22 °C: 2 records
22–24 °C: 3 records
24–26 °C: 51 records
26–28 °C: 106 records
28–30 °C: 115 records

Names and classification

English: White Pacific glassy-bubble, white Pacific glassy-bubble

Names in 4 more languages

German: Weißer Pazifik-Atys
Japanese: タマゴガイ
Thai: หอยจี่ล่อโก๊ย
Simplified Chinese: 白葡萄螺

Other scientific names: Atys cymbulus, Atys ferruginosa, Atys freyi, Bulla ferruginosa, Bulla naucum, Haminoea ferruginosa, Naucum striatulum

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).
308 open-data records from 1758 to 2026.
Species data updated October 26, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist