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Necklace nassa

Nassarius distortus

  • Molluscs
  • IUCN: Not evaluated
  • Usual depth1–21 m
  • Water temperature20–30 °C
  • Best monthsOctober, November, and December
  • How commonRare
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About this species

Nassarius distortus, common name : the distorted nassa, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the Nassa mud snails or dog whelks.

Text from the Wikipedia article “Nassarius distortus”, 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: 8 records
  • February: 9 records
  • March: 7 records
  • April: 2 records
  • May: 1 records
  • June: 7 records
  • July: 9 records
  • August: 1 records
  • September: 11 records
  • October: 16 records
  • November: 21 records
  • December: 13 records

Depth and water temperature

Depth

Mostly recorded at 1–21 m · Deepest record: 50 m

  • 0–10 m: 50 records
  • 10–20 m: 5 records
  • 20–30 m: 4 records
  • 30–40 m: 2 records
  • 40–50 m: 0 records
  • 50–60 m: 1 records

Water temperature

Recorded in surface water of 20–30 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 0 records
  • 24–26 °C: 36 records
  • 26–28 °C: 40 records
  • 28–30 °C: 71 records

Names and classification

English
Necklace nassa, necklace nassa
Names in 1 more languages
German
Halsketten-Reusenschnecke

Other scientific names: Buccinum coronatum, Buccinum monile, Nassa (Alectrion) distorta, Nassa (Alectrion) monilis, Nassa (Alectryon) monilis, Nassa distorta, Nassa lachrymosa, Nassa monile, Nassarius (Niotha) distortus, Nassarius monilis

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).
  • 183 open-data records from 1834 to 2024.

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