Ten fun facts about Octopuses

Fact 1
The blue-ringed octopuses are the most venomous creatures on this earth. They are small in size but have the ability to kill 26 human beings within a span of few minutes.

Fact 2
They have two eyes, four pairs of arms or tentacles, three hearts, a large head or “mantle”, with its mouth at the center point of the arms.

Fact 3
Octopuses use the suckers on their tentacles to help them move, grip slippery surfaces and for tasting. They look for clams, fish, crayfish and crabs.

Fact 4
They are very intelligent and can navigate through mazes. They possess a long term memory.

Fact 5
Octopuses squirt clouds of ink and change color to create camouflage. They sever their tentacles off to get out of desperate situations and these re-grow.

Fact 6
They have excellent eye-sight and have sensors in their eyes. The slit of their eyes remains horizontal though the eyes automatically rotate based on the orientation.

Fact 7
They have short life spans that may be as little as six months to five years. The largest octopus weighs about 15 kg.

Fact 8
Female octopuses lay around 40,000 eggs and die when the eggs hatch and rise to the upper waters of the sea.

Fact 9
Their blood contains a copper rich protein and is blue in color. They are deaf.

Fact 10
Their nervous system is highly complex. Octopuses do not have any internal or external skeletons.