Today is World Octopus Day!
There are around 300 species of these beautiful creatures and they are considered the most intelligent of all invertebrates. Octopuses are masters of camouflage and have a unique style of locomotion. They are some of the most fascinating creatures in the sea, found in every ocean in the world, and every continent's coastal waters.
Ready to get up-close and personal with one of nature’s quirkiest creatures? Check them out below.
Scientific Name: Octopus, Tremoctopus, Enteroctopus, Eledone, Pteroctopus
Common Name: Octopus
Basic Animal Group: Invertebrate
Size: vary in size according to species
Weight: up to 600 pounds
Lifespan: 1-3 years
Habitat: Every ocean; coastal waters in every continent
- Octopuses belong to a family of animals known as cephalopods. Cephalopods are a type of mollusk that include octopus, nautilus, cuttlefish and squids.
- There are over 300 different species. The smallest one is the Atlantic Pygmy Octopus and the largest one is the Seven-Arm Octopus.
- They have three hearts and blue blood. Two pump blood through each of the two gills, while the third pumps blood through the body.
- The amazing mimic octopuses are capable of changing their body shape to mimic other animals.
- The common octopus has the ability to hide in plain sight. Using pigment cells and specialised muscles in its skin, the common octopus can almost instantly match the colors, patterns, and even textures of its surroundings. Predators such as sharks, eels, and dolphins swim by without even noticing it.
- The octopus’s arms are lined with hundreds of suckers, each of which can be moved independently thanks to a complex bundle of neurons that acts as a brain, letting the animal touch, smell, and manipulate objects.
- Octopuses have four pairs of arms.
- They feed on small fishes, crabs, clams, snails, and other octopuses.
- They have the ability to regrow their arms just in case they happen to lose one!
- They are the only invertebrates that are capable of using tools like rocks and coconut shells.
- Octopuses are very solitary animals. They get together only during the mating seasons.
To learn more about these amazing creatures, click here.