---
title: "Day Octopus"
description: "Octopus cyanea — Inne zwierzęta. Octopus cyanea, also known as the big blue octopus or day octopus, is an octopus in the family Octopodidae."
canonical: https://animalchecklist.com/pl/animal/day-octopus
last_updated: 2026-09-20
---

# Day Octopus

> Octopus cyanea — Inne zwierzęta. Octopus cyanea, also known as the big blue octopus or day octopus, is an octopus in the family Octopodidae.

- Scientific name: *Octopus cyanea*
- Category: `other` (Inne zwierzęta)
- Habitats: `sea` (Morze i wybrzeże)
- iNaturalist observations: 4847
- Wikidata: [Q3791011](https://www.wikidata.org/wiki/Q3791011)
- iNaturalist taxon: [49056](https://www.inaturalist.org/taxa/49056)

## Names

- en: Day Octopus
- de: Großer Blauer Krake
- es: Pulpo azul
- fr: Gros poulpe bleu
- nl: Grote blauwe octopus

## Countries with the most observations

US (864), ID (491), AU (487), NC (372), EG (267), MV (208), PH (192), IL (100), PF (89), FJ (84), TW (77), JP (70)

## Summary

Octopus cyanea, also known as the big blue octopus or day octopus, is an octopus in the family Octopodidae. It occurs in both the Pacific and Indian Oceans, from Hawaii to the eastern coast of Africa. O. cyanea grows to 16 cm in mantle length with arms to at least 80 cm. This octopus was described initially by the British zoologist John Edward Gray in 1849; the type specimen was collected off Australia and is at the Natural History Museum in London.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Octopus_cyanea

## Photo

![Day Octopus](https://animalchecklist.com/img/animals/day-octopus/medium.jpg)

Photo: Jemma Montgomery · CC0 · inaturalist — https://www.inaturalist.org/observations/186215176

## Machine access

`GET https://animalchecklist.com/api/v1/animals/day-octopus?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).