The above-average intelligence that octopi possess is displayed in myriad ways, from their problem-solving capabilities to their ability to use tools. However, new research has shed even more light on these keen animals, suggesting that the eight-limbed invertebrates not only hunt with packs of fish, but will actually resort to physical means to keep them in line. The study, which was published in the journal Nature on Monday, focuses on the species of octopus cyanea m...
