Octopuses have a complex nervous system and excellent sight, and are among the most intelligent and behaviourally diverse invertebrates. Octopuses inhabit various ocean habitats, including coral reefs, …

Jan 21, 2026 · An octopus is any eight-armed cephalopod mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water …

There are around 300 species of octopus and they are found in every ocean. Most live on the seafloor, but some, like the paper nautilus, drift nearer to the surface. Octopuses mostly feed on...

Sep 22, 2024 · Octopuses are among the most unique, diverse, and intelligent marine invertebrates on Earth. Inhabiting environments from shallow shores to the dark, crushing depths of the deep sea, …

Oct 31, 2025 · With around 300 species, octopuses inhabit every ocean on Earth, living in environments that range from shallow coastal waters to the deep seabed. Their size varies considerably with species.

1 day ago · Discover adaptations of the common octopus — like their nine brains — in this blog by the South Carolina Aquarium.

Octopus, squid, cuttlefish, and nautilus all have differently shaped pupils— an octopus has a rectangular pupil, a cuttlefish has a w-shaped pupil, and a squid’s pupil is circular. Only the nautilus has a …

Octopuses live in coastal marine waters and spend much of their time in dens—small holes and crevices in rocks and coral. They are generally solitary and territorial. Moray eels, fish, seals, sperm whales, …

Nov 20, 2024 · Discover the diverse world of octopus species. Learn about the 300+ types of octopuses, from the giant Pacific octopus to the tiny blue-ringed octopus.

Feb 12, 2025 · Octopuses are famous for their bizarre bodies, quick thinking and mischievous personalities. There are more than 300 species of octopus that scientists know about, and likely …