Octopuses have nine brains.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

1 source for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Octopuses have nine brains?

Yes. A Natural History Museum page states that octopuses have nine brains, with each arm containing its own mini brain plus a central brain. The remaining retrieved items do not address the number of octopus brains.

Verdict: SUPPORTED · 1 source for, 0 against · Last checked 4 Aug 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 1

Octopuses keep surprising us - here are eight examples how | Natural History Museum

Get citation

Octopuses keep surprising us - here are eight examples how | Natural History Museum. (n.d.). nhm.ac.uk. https://www.nhm.ac.uk/discover/octopuses-keep-surprising-us-here-are-eight-examples-how.html

Receipt History

first checked04 Aug 2026

judged → SUPPORTED · 8204 Aug 2026

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