CreatureData

Day octopus

Octopus cyanea J. E. Gray, 1849

Status not recordedoctopus and squid

The day octopus (Octopus cyanea) is a species in the family Octopodidae.

No freely licensed photo yet

Quick facts about the day octopus

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the day octopus live?

Not recorded

Is the day octopus endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the day octopus classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classCephalopoda
  4. familyOctopodidae
  5. genusOctopus
  6. SpeciesOctopus cyanea J. E. Gray, 1849

Synonyms Callistoctopus magnocellatus, Octopus cyanea gracilis, Octopus cyanea var. gracilis, Octopus glaber, Octopus herdmani, Octopus horsti, Octopus marmoratus, Polypus herdmani, Sepia barffi

Other names and names in other languages (7)
  • Big blue octopusEnglish
  • Cyane's octopusEnglish
  • Großer Blauer KrakeGerman
  • ワモンダコJapanese
  • 土婆Chinese
  • 藍章Chinese
  • Lán-XiāoChinese

Catalogue of Life

Relatives of the day octopus

Other species in the same genus Octopus.

Nakji

Octopus minor

OctopodidaeNo free photo yet

Bimac

Octopus bimaculoides

OctopodidaeNo free photo yet

Red octopus

Octopus rubescens

OctopodidaeNo free photo yet

CompareDay octopus vs Common octopusDay octopus vs NakjiDay octopus vs Briar octopusDay octopus vs Wolf's pygmy octopus

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

Embed a card for this animal on your own site

Copy this code. The card shows the photo with its credit, key facts and a link back to this page.

Preview the card

APA

CreatureData. (2026). Day octopus (Octopus cyanea). Retrieved from https://creaturedata.com/animals/day-octopus

MLA

“Day octopus (Octopus cyanea).” CreatureData, 2026, https://creaturedata.com/animals/day-octopus.

BibTeX
@misc{day_octopus_2026,
  title = {Day octopus (Octopus cyanea)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/day-octopus},
  note = {Data as of 2026-11-11}
}