By what i researched so far it does!
Yes. It can regrow another arm. But the severed arm will not regrow into another octopus.
Yes
i do not belive so but i know it can grow a tail back
it can grow upto 10" (3 meters) The North Pacific Giant Octopus can grow to weigh about 15Kgs with an arm span of 4.3 metres
about 3 months
it will grow a new one
Oh, dude, when an octopus loses one of its eight arms, it's like losing a sock in the laundry - you just gotta move on. The octopus will regenerate the lost arm over time through a process called autotomy, which is just a fancy way of saying it grows back. So, no need to worry, the octopus will be back to its eight-armed self in no time!
The arm of an octopus is called a tentacle.
big.
regeneration
The octopus nervous system is different from a mammal's. The brain of the octopus does not have complete control over the body. The tentacles of the octopus contain ganglia which can operate separately from the octopus body. The octopus does not directly control it, but instead sends commands to the arms and lets them do the work. Octopus have little to no proprioception. When an octopus loses an arm, it can no longer control it (obviously). Because the ganglia are still intact, it is still capable of operating independently of the octopus. The independent arms can react to stimuli as it did when it was still connected to the octopus, though it has not been proven that the arms themselves are actually self-aware and not just automatic responses. If lost, an octopus can regenerate an arm. This occurs during mating, when an octopus's Hectocotylus (mating arm) often breaks off and is left in the female.
yes