The greater blue-ringed octopus (Hapalochlaena lunulata) is one of four species of extremely venomous blue-ringed octopuses belonging to the family Octopodidae. This particular species of blue-ringed octopus is known as one of the most toxic marine animals in the world.
How many arms does Hapalochlaena lunulata have?
Hapalochlaena lunulata is an octopus, so it must have eight arms.