Anatomy
An octopus has ___ arms; a squid has ___ arms.
8, 10
In which oceans do they live?
All of them!
Can octopuses in aquariums tell people apart?
Generally yes, they also seem to have preferences for certain caretakers. If unhappy, they have been known to shoot water at a the person they are upset with.
How long do octopuses live?
2-4 years
How many hearts does an octopus have?
3
What do octopuses eat?
Crabs are their favourite, but they also enjoy clams, fish, and snails.
Are octopuses selective about their breeding mates?
No, they will mate with anyone.
Who is smarter: dogs, octopuses, or 2 yr old children?
Octopuses: a strong memory helps them learn from experience, including remembering how to open jars, latches, or navigate mazes months later.
What part of the octopus holds all the organs?
The Mantle
Do they live in communities?
No, they prefer to live alone, seeking out others when ready to mate.
What's the primary way octopuses communicate?
By changing the colour and texture of their skin.
How many brains does an octopus have?
8-9: Unlike humans, their neurons are distributed throughout their bodies, including their arms, rather than being concentrated in the head.
Octopuses can grow to be _____ feet long.
30
Female octopuses lay their eggs in these.
Rock dens or small crevices and caves.
How are they represented in cultural works?
Known for their intelligence, they are often portrayed as powerful entities or deities (from sea monsters to protective spirits, even transformation or rejuvenation spirit guides).
Why can an octopus squeeze through anywhere?
No bones! The hardest part of it's body is the beak; if the beak can fit through, the rest can too.
What specialized adaption helps an octopus camouflage in an instant?
Chromatophores contain pigment sacs that can expand or contract, altering the brightness and color of the skin.
At what depth do they live?
Anywhere from 8-800 feet. They live in various habitats, including coastal waters, coral reefs, and even deep, dark waters. Many octopuses spend their time in dens, which are small holes and crevices in rocks and coral. Some species, like the Giant Pacific Octopus, are found in the cold, northern Pacific waters.
Which countries eat the most octopus?
Japan, South Korea, Spain
What is the grip strength of a sucker?
The suckers on a Giant Pacific Octopus can hold weights up to 35 lbs (16 kg). Each octopus arm can have over 200 suckers, and each sucker can taste, grip, and lift 31 lbs (14 kg). In theory, an octopus could lift over 49,000 lbs (22,400 kg) using all its suckers.