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Oriental Polybranchia

Polybranchia orientalis

  • Molluscs
  • IUCN: Not evaluated
  • Usual depth2–18 m
  • Water temperature20–29 °C
  • Best monthsApril and June
  • How commonRare
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About this species

Polybranchia orientalis commonly known as the bushy slug is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Caliphyllidae. It was previously known as Phyllobranchillus orientalis..

Text from the Wikipedia article “Polybranchia orientalis”, 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: 6 records
  • February: 4 records
  • March: 7 records
  • April: 8 records
  • May: 4 records
  • June: 12 records
  • July: 4 records
  • August: 7 records
  • September: 6 records
  • October: 4 records
  • November: 3 records
  • December: 3 records

Depth and water temperature

Depth

Mostly recorded at 2–18 m · Deepest record: 28 m

  • 0–10 m: 28 records
  • 10–20 m: 9 records
  • 20–30 m: 4 records

Water temperature

Recorded in surface water of 20–29 °C

  • 18–20 °C: 1 records
  • 20–22 °C: 16 records
  • 22–24 °C: 7 records
  • 24–26 °C: 18 records
  • 26–28 °C: 4 records
  • 28–30 °C: 19 records

Names and classification

English
Oriental Polybranchia
Names in 2 more languages
Japanese
カンランウミウシ
Simplified Chinese
東方美葉海蛞蝓

Other scientific names: Branchophyllum orientale, Phyllobranchillus orientalis, Phyllobranchus orientalis, Proctonotus orientalis

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).
  • 89 open-data records from 1858 to 2026.

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