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World Octopus Day

Celebrate World Octopus Day with fun activities and discover the incredible abilities of these amazing sea creatures!

Thursday

October 2026

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEOctober 8

OBSERVED INInternationally

CATEGORYAnimals

SUBCATEGORYWildlife

INTRO

Introduction

PHOTO

Gather your friends and family to celebrate World Octopus Day on October 8th! This special day was created to recognize the many unique talents of this magnificent underwater creature. The octopus is one of the oldest animals in existence, having roamed our oceans for millions of years and developed remarkable intelligence during its evolution. From their ability to camouflage themselves among coral reefs, fit through tiny crevices, use tools and communicate with each other using color signals - there's so much we can learn from them! So let's take a moment to appreciate these amazing creatures on World Octopus Day.

TIMELINE

World Octopus Day Timeline

First Octopus Study

Scientist Ernst Haeckel conducts the first academic study exploring the physiology and behaviors of octopuses.

Charles Darwin's Observations

Charles Darwin observed and noted the octopus’s unique ability to alter its skin color and texture for camouflage.

Tool Use Discovery

Octopuses are first observed using tools, demonstrating unexpected intelligence.

Inception of World Octopus Day

Recognition of the octopus increases with the creation of World Octopus Day, celebrated annually on October 8th.

Paul the Octopus

An octopus named Paul gained worldwide fame for seeming to predict the winners of the 2010 World Cup matches.

Discovering New Species

A discovery published in the Nature journal revealed two new species of octopuses, expanding our knowledge about these fascinating animals.

GET INVOLVED

How to Celebrate World Octopus Day

Cook an octopus dish

Octopus can be prepared in a variety of ways, from grilled to fried to boiled. Pick a recipe and try your hand at making it.

WATCH

Watch an octopus documentary

Learn about the curious creature by watching documentaries about them. There are plenty of films out there that focus on the octopus's unique behavior and biology.

VISIT

Visit an aquarium

Most public aquariums have octopuses in their tanks! Visit one near you to learn more about these amazing creatures up close.

READ

Read octopus literature

Pick up a book or two that focus on octopuses. You might find out some new things about these slippery sea creatures.

DRAW

Draw or paint an octopus

Try your hand at creating a work of art depicting your favorite octopus facts and characteristics.

WHY THIS DAY MATTERS

Why We Love World Octopus Day

Octopuses inspire creativity

These curious creatures have been inspiring human creativity since ancient times. From books and movies to stories and artwork—octopuses capture our imagination and spark new ways of looking at the world around us. So take a moment on World Octopus Day to appreciate these amazing creatures—they may not be around forever!

Octopuses are fascinating creatures

From their eight arms to their complex behavior, octopuses are truly amazing creatures. They are highly intelligent and can learn to navigate mazes, open jars, and use tools – all with no backbone! On top of this, they come in some pretty spectacular colors and patterns that make them a delight to behold.

Octopuses are great for the ocean

Octopuses are an important part of marine ecosystems as both predators and prey. They help keep fish populations in check while also providing food for larger predators like sea lions and whales. By celebrating World Octopus Day, we can raise awareness about how important these animals are to keeping our oceans healthy and vibrant.