Introduction – Octopuses have curious features and are also known for their eight arms and their intelligence. They are predators and use their arms to catch prey. Octopuses also use their arms to help them move around in the water. Octopuses are very important members of the ocean ecosystem and also provide food for other animals such as whales and sharks. Octopuses are available in different sizes and colors which are found in all oceans across the world.

Important facts about octopuses – There are several important facts about octopuses are discussed below –

1. Octopuses have three hearts, two of them heart works to transfer or move blood to its gills whereas the third heart maintains circulation flowing to the organs.
2. Octopuses are available in different sizes and colors which are found in all oceans across the world.
3. There is around 2/3^rd of an octopus’s neurons is placed in its arms which means that arms can touch, taste, and may even act on their own accord with no input from the brain.
4. A female octopus may lay about 400,000 eggs and spend time in protecting them day and night from other sea animals and also concentrate on her egg-guarding duty.
5. Sometimes, octopuses build underwater cities in underwater. Earlier, scientists discovered an octopus city underwater and is called as Octantis off the coast of Eastern Australia.
6. Octopuses have blue blood because they evolved a copper rather than iron-based blood known as hemocyanin that converts its blood blue.
7. The arms of octopuses can regrow again if they lose an arm in any situation.
8. Octopuses can change their skin texture and color in seconds underwater.
9. Octopuses have curious features and are also known for their eight arms and their intelligence.
10. Octopuses use their arms to catch prey and help in moving around in the water.