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Fish species in Japan

Blue-lined octopus

ヒョウモンダコ · hyoumondako
Hapalochlaena fasciata

Blue-lined octopuses can be small enough to hide under shells or rocks. Blue markings may become vivid when disturbed and may be inconspicuous at rest.

Blue-lined octopus

Habitat and season

Shallow rocky shores and tide pools.

Recorded fishing season
Not specified
Scientific name
Hapalochlaena fasciata
Japanese name
ヒョウモンダコ

Months are a broad guide, not a current catch forecast. Region, water temperature and local closures can change the season.

Compare related fish

Detailed Japanese species notes

小さなタコでも手で触れてはいけない代表例。刺激すると青い線や輪が目立つが、普段は模様が見えにくいことがある。

唾液や体内に毒がある。食用にせず、噛まれた場合は小さな傷でも直ちに119番へ連絡する。

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