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Astralium rhodostomum

  • Molluscs
  • IUCN: Not evaluated
  • Usual depth12–17 m
  • Water temperature20–30 °C
  • Best monthsFebruary
  • How commonOccasional
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Photo credit: (c) Jay Paroline, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Astralium rhodostomum, common name the rosemouth star shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.

Text from the Wikipedia article “Astralium rhodostomum”, 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: 40 records
  • February: 136 records
  • March: 18 records
  • April: 9 records
  • May: 20 records
  • June: 20 records
  • July: 16 records
  • August: 15 records
  • September: 23 records
  • October: 25 records
  • November: 21 records
  • December: 41 records

Depth and water temperature

Depth

Mostly recorded at 12–17 m · Deepest record: 38 m

  • 0–10 m: 4 records
  • 10–20 m: 123 records
  • 20–30 m: 5 records
  • 30–40 m: 6 records

Water temperature

Recorded in surface water of 20–30 °C

  • 18–20 °C: 2 records
  • 20–22 °C: 1 records
  • 22–24 °C: 5 records
  • 24–26 °C: 82 records
  • 26–28 °C: 122 records
  • 28–30 °C: 182 records

Names and classification

Names in 1 more languages
Japanese
オオウラウズガイ

Other scientific names: Astraea rhodostoma, Astralium (Distellifer) rhodostoma, Astralium tuberosum, Trochus rhodostomus

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).
  • 413 open-data records from 1822 to 2023.
  • Species data updated October 26, 2026.

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