2012年10月27日 · This somewhat unique feature of the colossal squid, also known as the “Giant Cranch Squid” and technically as “Mesonychoteuthis hamiltoni”, has a side effect that the squid has to tear up its food into very small pieces in order not to injure their tiny brains as they swallow.

Let's start with the brain, which comes in three parts: two optic lobes and a central ganglion. If you very carefully pull the eyes out of their sockets, you'll see the optic lobes, one behind each eye. They are yellowish white, soft and fleshy.

2022年11月10日 · Cephalopods — which include octopus, squid, and their cuttlefish cousins — are capable of some truly charismatic behaviors. They can quickly process information to transform shape, color, and even texture, blending in with their surroundings.

The squid brain is enclosed in a cartilaginous head capsule and includes two large optic lobes. These indicate that vision is very important to squid. Up to 80 per cent of the brain is devoted to processing visual information. The brain is shaped like a …

2023年10月5日 · Regardless of species, squid have brains that are highly developed, complex, and extremely unique when compared to humans. In lab scenarios and in the wild, they repeatedly show they can perform a variety of tasks that require heavy cognitive ability.

2023年6月13日 · The squid's brain also contains a donut-shaped ring of nerve cells that encircles the esophagus. This unique structure coordinates the movements of the squid's eight arms and two tentacles without an internal skeleton.

2023年1月19日 · The optic lobe or “brain” located on each side of the squid head is the control center that transmits the information to the chain of giant nerve cells in the mantle . Figure 1. The optic lobes and stellate ganglion with giant nerve fibers.

2020年1月31日 · Cephalopods — a group whose name means “head foot” and includes cuttlefish, squid, and octopi — are intelligent animals with complex brains. We’ve been studying their brains for almost 50 years...

The brain is shaped like a doughnut and surrounds the narrow oesophagus. It is very small in comparison with the overall size of the body — a 300 kilogramme colossal squid has a brain weighing less than 100 grammes!

2024年7月13日 · The giant squid’s brain is shaped like a doughnut. Their esophagus passes right through the middle of it. This unusual arrangement means they have to break their food into small pieces.