Sucker-foot Sea Hare

About this species

Aplysia juliana, the walking sea hare, is a species of sea hare, a marine gastropod in the family Aplysiidae.

Text from the Wikipedia article “Aplysia juliana”, 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: 207 records
February: 100 records
March: 130 records
April: 134 records
May: 91 records
June: 57 records
July: 36 records
August: 60 records
September: 107 records
October: 179 records
November: 148 records
December: 130 records

Depth and water temperature

Depth

Mostly recorded at 0–43 m · Deepest record: 85 m

0–10 m: 56 records
10–20 m: 12 records
20–30 m: 3 records
30–40 m: 1 records
40–50 m: 4 records
50–60 m: 3 records
60–70 m: 1 records
70–80 m: 1 records
80–90 m: 1 records

Water temperature

Recorded in surface water of 14–29 °C

12–14 °C: 3 records
14–16 °C: 14 records
16–18 °C: 11 records
18–20 °C: 77 records
20–22 °C: 49 records
22–24 °C: 64 records
24–26 °C: 21 records
26–28 °C: 3 records
28–30 °C: 5 records

Photos

(c) William Harland, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Doug Miller, some rights reserved (CC BY) · CC BY · iNaturalist
(c) William Harland, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Luca Davenport-Thomas, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Emily Roberts, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Sucker-foot Sea Hare, Walking sea hare, walking sea hare, Walking Seahare

Names in 5 more languages

German: Gestelzter Seehase
Spanish: liebre de mar de Juliana
Japanese: アマクサアメフラシ
Korean: 말군소
Simplified Chinese: 染斑海鹿, 雜斑海兔

Other scientific names: Aplysia (Metaplysia) badistes, Aplysia brunnea, Aplysia hamiltoni, Aplysia petiti, Aplysia sandvichensis, Aplysia sibogae, Aplysia woodii, Syphonota bipes, Tethys capensis

Similar species

California seahare
Aplysia californica
Ocellate Sea Hare
Aplysia argus
Large-spotted sea hare
Aplysia dactylomela
Aplysia kurodai
Spotted sea hare
Aplysia oculifera
Dwarf sea hare
Aplysia parvula

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).
505 open-data records from 1924 to 2026.
Species data updated October 26, 2026.