Paisley Eeldragon

About this species

Bornella anguilla is a species of sea slug, a nudibranch, a marine gastropod mollusk in the family Bornellidae. This species is widely distributed throughout the tropical waters of the Indo-West Pacific.

Text from the Wikipedia article “Bornella anguilla”, 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: 57 records
February: 56 records
March: 54 records
April: 63 records
May: 52 records
June: 50 records
July: 55 records
August: 40 records
September: 67 records
October: 80 records
November: 73 records
December: 43 records

Depth and water temperature

Depth

Mostly recorded at 6–24 m · Deepest record: 123 m

0–10 m: 29 records
10–20 m: 57 records
20–30 m: 10 records
30–40 m: 1 records
40–50 m: 1 records
50–60 m: 1 records
60–70 m: 3 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 2 records

Water temperature

Recorded in surface water of 22–30 °C

20–22 °C: 4 records
22–24 °C: 23 records
24–26 °C: 58 records
26–28 °C: 21 records
28–30 °C: 76 records

Photos

(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Alicia Christman, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Geoff Shuetrim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) ig: underwater.logs, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Paisley Eeldragon, Eel Bornella

Names in 3 more languages

French: Bornelle anguille
Japanese: ゴシキユビウミウシ, ヒオドシユビウミウシ
Simplified Chinese: 鰻游二列鰓海蛞蝓（火焰海麒麟）

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).
238 open-data records from 1979 to 2026.
Species data updated October 26, 2026.