Pilsbry's Head Shield Slug

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 51 records
February: 48 records
March: 48 records
April: 66 records
May: 53 records
June: 39 records
July: 48 records
August: 49 records
September: 63 records
October: 69 records
November: 42 records
December: 42 records

Depth and water temperature

Depth

Mostly recorded at 3–16 m · Deepest record: 22.5 m

0–10 m: 27 records
10–20 m: 23 records
20–30 m: 3 records

Water temperature

Recorded in surface water of 14–29 °C

12–14 °C: 22 records
14–16 °C: 4 records
16–18 °C: 1 records
18–20 °C: 0 records
20–22 °C: 15 records
22–24 °C: 2 records
24–26 °C: 31 records
26–28 °C: 35 records
28–30 °C: 85 records

Photos

(c) Tine Kinn Kvamme, some rights reserved (CC BY), uploaded by Tine Kinn Kvamme · CC BY · iNaturalist
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Franz Anthony, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Pilsbry's Head Shield Slug

Names in 3 more languages

French: Philinopsis de Pilsbry
Japanese: ワモンキセワタ
Simplified Chinese: 皮氏美麗似海牛

Other scientific names: Aglaja pilsbryi, Doridium (Aglaja) pilsbryi, Doridium alboventralis, Doridium pilsbryi, Philinopsis nigra, Philinopsis pilsbryi

Similar species

Gardiner's Headshield Slug
Tubulophilinopsis gardineri
Tubulophilinopsis lineolata
Tubulophilinopsis reticulata
Lovely Headshield Slug
Chelidonura amoena
T-bar Swallowtail
Chelidonura hirundinina
Beautiful Swallowtail
Philinopsis speciosa

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.
Conservation status as published by GBIF (IUCN Red List).
256 open-data records from 1899 to 2026.
Species data updated October 26, 2026.