are octopuses dangerous
According to a new study, all octopuses, cuttlefish, and some squid are venomous. The largest known octopus species, the giant Pacific octopus, can reach sizes of more than 16 feet (5 meters) across.But the 5- to 8-inch (12.7- to 20.3-centimeter) blue-ring remains the only one dangerous to humans.he largest known octopus species, the giant Pacific octopus, can reach sizes of more than 16 feet (5 meters) across. But the 5- to 8-inch (12.7- to 20.3-centimeter) blue-ring remains the only one dangerous to humans.
Even with its small size, the blue tinged octopus is one of the deadliest creatures. The worst thing is that the victim does not feel any pain of its bite but effects are certainly speedy and sometimes fatal. The blue ringed octopuses inhabits in the rock pools surrounding Australia coast.