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DiscoverSpeciesNudibranchs

Tenellia yamasui

  • Nudibranchs
  • Usual depth6–15 m
  • Water temperature21–30 °C
  • Best monthsMay and September
  • How commonRare
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About this species

Trinchesia yamasui is a species of sea slug, an aeolid nudibranch, a shell-less marine gastropod mollusk in the family Trinchesiidae.

Text from the Wikipedia article “Trinchesia yamasui”, 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: 7 records
  • February: 8 records
  • March: 9 records
  • April: 11 records
  • May: 24 records
  • June: 11 records
  • July: 6 records
  • August: 10 records
  • September: 17 records
  • October: 10 records
  • November: 8 records
  • December: 13 records

Depth and water temperature

Depth

Mostly recorded at 6–15 m · Deepest record: 16 m

  • 0–10 m: 2 records
  • 10–20 m: 8 records

Water temperature

Recorded in surface water of 21–30 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 1 records
  • 24–26 °C: 4 records
  • 26–28 °C: 10 records
  • 28–30 °C: 71 records

Names and classification

Other scientific names: Cuthona yamasui, Trinchesia yamasui

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.
  • 135 open-data records from 2002 to 2025.

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