Octopuses have three hearts.
Octopuses are ocean creatures that are most famous for having eight arms and bulbous heads.
The plural of octopus is octopuses.
The tiny blue-ringed octopus, one of the world's most venomous animals, can kill an adult human in minutes.
Aristotle thought octopuses were dumb.But, they are quite intelligent and have been observed using tools.
Octopus arms have a mind of their own.
Ocopus ink doesn't just hide the animal.