Where can I dive with a giant octopus?
You can dive with giant Pacific octopuses off the west coast of North America (Alaska down to Northern California), Korea, Japan and Russia.
What is the octopus in scuba?
A scuba octopus is the common term to describe your secondary air source backup regulator. The octopus just an extra second stage regulator, very similar to your primary second stage regulator (the one you put in your mouth during a dive!).
Are all octopuses poisonous?
According to a new study, all octopuses, cuttlefish, and some squid are venomous. The largest known octopus species, the giant Pacific octopus, can reach sizes of more than 16 feet (5 meters) across. But the 5- to 8-inch (12.7- to 20.3-centimeter) blue-ring remains the only one dangerous to humans.
How can you tell an octopus is underwater?
The best way to find them is to look for boulders that are not boulders. Their bodies will move in a rhythmic pattern as they move water through their blow holes to breath. This subtle pulsating movement can catch your eye and help you discover one.
How do octopus defend themselves?
But the octopus has a number of clever ways to defend itself from attack. The octopus swims head-first, and in times of danger can expel water through the end of its mantle, propelling it like a jet through the water. It can squeeze its body through tiny gaps to shake off predators.
How does an octopus swim?
Octopuses are fast swimmers but they prefer to slowly crawl along the sea bottom. To swim, octopuses suck water into their bodies and shoot it out a tube called a siphon, according to the World Animal Foundation. This lets the octopus blast off, away from attackers.
Why is a spare regulator called an octopus?
The SPG was a fairly new item too, and many divers no way to attach these things to their body, so they tended to float around. The jacket BC with rings was years away. It was probably called octopus as it was something floating around you to grab.