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Squid's donut-shaped brain has its throat running through it

Original: A squid's brain is shaped like a donut — and its throat runs right through the middle. 🦑 The esophagus passes through th

A squid's brain is ring-shaped, and its esophagus passes straight through the hole in the middle, meaning food physically travels through the brain on the way to the stomach. This is why squid shred prey into tiny pieces before swallowing — a bite too large could damage the brain. The unusual anatomy is delighting readers curious about cephalopod biology.

Why now: The surprising fact that food passes through a squid's brain is capturing attention as a striking piece of animal trivia

squidcephalopods

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• A squid's brain is shaped like a donut — and its throat runs right through the middle. 🦑 The esophagus passes through the hole in the ring-shaped brain, so food travels THROUGH the brain on its way to the stomach. That's why squid shred prey into tiny bits: swallow too big a… · eatrics · 1

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