Scaeurgus patagiatus

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An illustration based on the real animal.
A little discovery to share.
An octopus living in the seas from Tosa Bay to around Kyushu.
THE REAL WORLD
The real Scaeurgus patagiatus
- Scientific name
- Scaeurgus patagiatus
- Japanese name
- イッカクダコ
- Group
- Ocean animals
- Class
- Cephalopoda
- Order
- Octopoda
- Family
- Octopodidae
- Genus
- Scaeurgus
Unlike most octopuses, its mating arm (hectocotylus) is on the left side, not the right.
Basic data
- Range
- Tosa Bay to waters near Kyushu
Where the Scaeurgus patagiatus has been recorded

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鳥羽水族館 — イッカクダコChecked: 2026-11-04
- 鳥羽水族館 — 不明タコ4号はイッカクダコChecked: 2026-11-09
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
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