Today we celebrate World Octopus Day! The octopus is one of the most iconic creatures in nature. There are over 300 species of Octopus and they can be found in every ocean of the world.
The scientific Latin term octopus was derived from Ancient Greek ὀκτώπους, a compound form of ὀκτώ (oktō, “eight”) and πούς (pous, “foot”), itself a variant form of ὀκτάπους, a word used for example by Alexander of Tralles (c. 525–c. 605) for the common octopus.
All octopuses are venomous, but only the blue-ringed octopuses are known to be deadly to humans.
Happy World Octopus Day!
Scuba Hank NYC 
Wow!
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They are the coolest creatures!
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Brave, chasing around that little blue ringed guy. Someday you should check out a Giant Pacific octopus – it’s one of my favorite things to find on a dive.
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Hopefully, I can dive off the west coast of the US soon. It’s on my list. But I have to buy a drysuit first 🙂
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I’ve only see one while diving but they are so neat! Thank you for sharing!
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Recently, I’ve been having luck at spotting them. They are pretty clever at blending into their environment.
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They are wonderfully good at camouflage!
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Very cool!
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Octopus are extremely intelligent animals – I wonder what they think of you looking at them?! Great pictures.
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Good question. I don’t know, however I’ve noticed they are sometimes very interested in the reflection from the camera lens.
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