The common octopus is one of the most intelligent invertebrates on Earth, capable of problem-solving, tool use, and short-term memory. With three hearts, blue copper-based blood, and the ability to alter both colour and texture in milliseconds, the octopus is an evolutionary marvel. Their eight arms, each lined with chemoreceptive suckers, allow them to taste everything they touch.
About the Octopus
Octopus vulgaris
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💡 Fun Facts
01
Octopuses have three hearts: two branchial hearts pump blood through the gills while the systemic heart pumps it through the body.
02
They possess nine brains — one central brain and a mini-brain in each arm that can act semi-independently.
03
Octopuses are known to collect coconut shell halves and carry them as portable shelters — considered one of the only invertebrate tool users.
04
Their lifespan is tragically short; most die shortly after reproducing, with females starving to death while guarding their eggs.
05
They can squeeze through any opening larger than their beak, the only rigid part of their body.
📍 Where to Find This Animal
Habitat Types:
Coastal Ocean
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