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Ringed Sap-sucking Slug

Plakobranchus ocellatus

  • Molluscs
  • IUCN: Not evaluated
  • Usual depth2–11 m
  • Water temperature19–30 °C
  • Best monthsSeptember
  • How commonOccasional
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About this species

Plakobranchus ocellatus is a species of sea slug, a sacoglossan, a marine opisthobranch gastropod mollusk in the family Plakobranchidae. It is found in shallow water in the Indo-Pacific region.

Text from the Wikipedia article “Plakobranchus ocellatus”, 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: 33 records
  • February: 27 records
  • March: 27 records
  • April: 36 records
  • May: 30 records
  • June: 24 records
  • July: 12 records
  • August: 39 records
  • September: 83 records
  • October: 32 records
  • November: 31 records
  • December: 24 records

Depth and water temperature

Depth

Mostly recorded at 2–11 m · Deepest record: 50 m

  • 0–10 m: 175 records
  • 10–20 m: 36 records
  • 20–30 m: 3 records
  • 30–40 m: 1 records
  • 40–50 m: 0 records
  • 50–60 m: 1 records

Water temperature

Recorded in surface water of 19–30 °C

  • 18–20 °C: 1 records
  • 20–22 °C: 0 records
  • 22–24 °C: 37 records
  • 24–26 °C: 102 records
  • 26–28 °C: 57 records
  • 28–30 °C: 128 records

Names and classification

English
Ringed Sap-sucking Slug
Names in 3 more languages
French
Placobranche ocellé
Japanese
チドリミドリガイ
Simplified Chinese
多葉鰓海麒麟

Other scientific names: Elysia ocellata, Placobranchus gassiesi, Placobranchus gracilis, Placobranchus guttatus, Placobranchus hasselti, Placobranchus ianthobaptus, Placobranchus ocellatus, Placobranchus variegatus, Plakobranchus argus, Plakobranchus camiguinus, Plakobranchus chlorophacus, Plakobranchus guttatus, Plakobranchus ianthobaptus, Plakobranchus laetus, Plakobranchus priapinus, Plakobranchus punctulatus

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).
  • 438 open-data records from 1922 to 2026.

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