A mom in Texas is raising questions after an octopus at the San Antonio Aquarium latched onto her 6-year-old son’s arm for 5 minutes.

The San Antonio Aquarium is defending its giant Pacific octopus after it left a 6-year-old boy covered in suction bruises on ...

A mother says a recent visit to the San Antonio Aquarium ended with an octopus latching onto her son’s arm at an exhibit.

A 6-year-old was hurt when an octopus latched on to his arm after the boy reached into a touch tank at the San Antonio ...

A 6-year-old boy was left with welts along his arm after an octopus glommed onto him, his mother, Britney Taryn, recounted ...

This provides each arm with a degree of autonomy, allowing an octopus to use some arms to perform one task while also carrying out another, entirely different activity with other arms.

The octopus nervous system is unlike anything in the animal kingdom. Roughly two-thirds of its 500 million neurons are located in its arms, not its central brain.

The octopus nervous system is among the most unusual on Earth. Unlike in other intelligent animals, it's highly distributed, with a significant proportion of its 500 million-odd neurons spread ...

But, unlike vertebrate organisms, the octopus’s nervous system is also decentralized, with around 350 million neurons, or 66 percent of it, located in its eight arms.

The octopus was placed on one side of a Plexiglas sheet with a hole through which only one arm could reach. In the experiments, a tempting object was placed on the opposite side of the sheet.

The octopus was placed on one side of a Plexiglas sheet with a hole through which only one arm could reach. In the experiments, a tempting object was placed on the opposite side of the sheet.

The architecture of the octopus nervous system, showing (f) the arm, (g) the nerves of the suckers, (h) the axial nerve cord and (i) the neuronal segmentation. (Olson et al., Nat. Commun., 2025) ...