Mapped Sea Hare
Syphonota geographica
- Usual depth4–25 m
- Water temperature20–29 °C
- Best monthsMay, June, and November
- How commonRare
About this species
Syphonota geographica, or the geographic sea hare, is a species of sea slug or sea hare, a marine opisthobranch gastropod mollusk in the family Aplysiidae, the sea hares.
Text from the Wikipedia article “Syphonota geographica”, 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: 5 records
- February: 5 records
- March: 5 records
- April: 6 records
- May: 10 records
- June: 11 records
- July: 6 records
- August: 5 records
- September: 5 records
- October: 6 records
- November: 7 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 4–25 m · Deepest record: 34 m
Water temperature
Recorded in surface water of 20–29 °C
Names and classification
- English
- Mapped Sea Hare, Geographic Sea Hare
Names in 1 more languages
- Japanese
- クサモチアメフラシ
Other scientific names: Aplysia geographica, Aplysia mouhoti, Aplysia piperata, Aplysia scripta, Paraplysia geographica, Siphonotus geographicus
Similar species
- California seahare
Aplysia californica
Ocellate Sea HareAplysia argus
Large-spotted sea hareAplysia dactylomela
Sucker-foot Sea HareAplysia juliana

Dwarf sea hareAplysia 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).
- 108 open-data records from 1952 to 2026.
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