Double-banded Split-tooth Dorid

About this species

Hypselodoris maculosa is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

Text from the Wikipedia article “Hypselodoris maculosa”, 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: 56 records
February: 68 records
March: 60 records
April: 104 records
May: 87 records
June: 60 records
July: 58 records
August: 64 records
September: 87 records
October: 85 records
November: 62 records
December: 51 records

Depth and water temperature

Depth

Mostly recorded at 3–20 m · Deepest record: 54.9 m

0–10 m: 99 records
10–20 m: 103 records
20–30 m: 25 records
30–40 m: 5 records
40–50 m: 2 records
50–60 m: 1 records

Water temperature

Recorded in surface water of 19–30 °C

18–20 °C: 3 records
20–22 °C: 55 records
22–24 °C: 33 records
24–26 °C: 100 records
26–28 °C: 34 records
28–30 °C: 230 records

Photos

(c) Tine Kinn Kvamme, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Jay Paroline, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Bernard Picton, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Double-banded Split-tooth Dorid, Purple-speckled Nudibranch, Spotted Hypselodoris

Names in 3 more languages

French: Doris maculée
Japanese: センテンイロウミウシ, ニヨリセンテンイロウミウシ
Simplified Chinese: 斑紋多彩海牛, 紅斑多彩海蛞蝓, 腰帶多彩海蛞蝓

Other scientific names: Chromodoris maculosa, Hypselodoris cuis

Similar species

Cinderella Sea Slug
Hypselodoris apolegma
Lavender Split-tooth Dorid
Hypselodoris bullockii
Triple-striped Split-tooth Dorid
Hypselodoris emma
Black-spotted Split-tooth Dorid
Hypselodoris infucata
Tryon's Hypselodoris
Hypselodoris tryoni
Bumpy Split-tooth Dorid
Hypselodoris whitei

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).
543 open-data records from 1871 to 2026.
Species data updated October 26, 2026.