Brown-line paperbubble
Hydatina physis
- Usual depth1–16 m
- Water temperature18–30 °C
- Best monthsJanuary, November, and December
- How commonOccasional
Photo credit: (c) H. Zell, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Hydatina physis is a species of sea snail, a bubble snail, a marine opisthobranch gastropod mollusk in the family Aplustridae. Its common names include striped paper bubble, green-lined paper bubble, brown-lined paper bubble, and rose petal bubble shell.
Text from the Wikipedia article “Hydatina physis”, 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: 621 records
- February: 238 records
- March: 269 records
- April: 271 records
- May: 200 records
- June: 136 records
- July: 172 records
- August: 156 records
- September: 299 records
- October: 365 records
- November: 403 records
- December: 452 records
Depth and water temperature
Depth
Mostly recorded at 1–16 m · Deepest record: 38.4 m
Water temperature
Recorded in surface water of 18–30 °C
Photos
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Bernard Picton, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) libby hepburn, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Alesha Teitzel, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Brown-line paperbubble, Green paperbubble, Green-lined paperbubble, Liquorice-striped bubble snail, Striped bubble shell, Brown-lined Paperbubble, brown-line paperbubble, green-lined paperbubble, green paperbubble, liquorice-striped bubble snail, Rose Petal Bubble, striped bubble shell
Names in 5 more languages
- German
- Meeresrose, Rosenblatt-Blasenschnecke
- French
- Bulle à lignes marron
- Japanese
- ミスガイ
- Korean
- 줄물고둥
- Simplified Chinese
- 密紋泡螺
Other scientific names: Bulla atrolineata, Bulla physis, Bulla quoyana, Bulla staminea, Hydatina filosa
Similar species
Chocolate-banded bubble snailHydatina amplustre
White-banded bubbleHydatina albocincta
Toffee-banded bubble shellHydatina zonata
Lined bubble snailBullina lineata
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).
- 882 open-data records from 1914 to 2026.
- Species data updated November 3, 2026.
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