Ocellated Wart Slug

Phyllidia ocellata

Nudibranchs
IUCN: Not evaluated

Usual depth8–25 m
Water temperature18–30 °C
Best monthsApril, May, and August
How commonOccasional

Photo credit: (c) Tine Kinn Kvamme, some rights reserved (CC BY), uploaded by Tine Kinn Kvamme · CC BY · iNaturalist

About this species

Phyllidia ocellata is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Phyllidiidae.

Text from the Wikipedia article “Phyllidia ocellata”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 214 records
February: 230 records
March: 276 records
April: 326 records
May: 315 records
June: 261 records
July: 275 records
August: 298 records
September: 286 records
October: 240 records
November: 268 records
December: 266 records

Depth and water temperature

Depth

Mostly recorded at 8–25 m · Deepest record: 60 m

0–10 m: 45 records
10–20 m: 118 records
20–30 m: 42 records
30–40 m: 8 records
40–50 m: 1 records
50–60 m: 1 records
60–70 m: 1 records

Water temperature

Recorded in surface water of 18–30 °C

16–18 °C: 1 records
18–20 °C: 3 records
20–22 °C: 30 records
22–24 °C: 18 records
24–26 °C: 27 records
26–28 °C: 33 records
28–30 °C: 139 records

Photos

(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Monica Ventrice, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Robin White, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Ocellated Wart Slug, Eyed Phyllidia, Eyespot Phyllidia, Ocellate Phyllidia

Names in 5 more languages

French: Phyllidie ocellée
Japanese: キイロイボウミウシ
Korean: 혹고리갯민숭이
Thai: ทากปุ่มหลากสี, ทากเปลือยปุ่มส้ม
Simplified Chinese: 媚眼葉海牛, 媚眼葉海麒麟

Other scientific names: Phyllidia baccata, Phyllidia japonica, Phyllidia tuberculata, Phyllidiopsis carinata

Similar species

Heavenly Wart Slug
Phyllidia coelestis
Elegant Phyllidia
Phyllidia elegans
Black-rayed phyllidia
Phyllidia picta
Variable Wart Slug
Phyllidia varicosa
Polkadot Nudibranch
Phyllidia polkadotsa
Pustular phyllidia
Phyllidiella pustulosa

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).
1,169 open-data records from 1804 to 2026.
Species data updated October 26, 2026.

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