19 questions about Octopus

What is the most distinctive physical feature of an octopus?

Eight arms

- National Geographic

How do octopuses move underwater?

By jet propulsion

- Smithsonian Ocean Portal

In terms of intelligence, where do octopuses rank among invertebrates?

They are considered one of the most intelligent invertebrates

- National Geographic

What is the unique defense mechanism that octopuses use to evade predators?

Ink secretion

- University of California Museum of Paleontology

How many hearts does an octopus have?

Three hearts

- Smithsonian Ocean Portal

Which species of octopus is known for mimicking other marine animals?

Mimic octopus

- National Geographic

What is the primary way octopuses capture prey?

Using their tentacles to grab and overpower

- Smithsonian Ocean Portal

How do octopuses change color and texture to camouflage themselves?

Through specialized skin cells called chromatophores

- MarineBio

What is the lifespan of most octopus species?

1-2 years

- National Geographic

What is the preferred diet of octopuses?

Crustaceans, mollusks, and fish

- Smithsonian Ocean Portal

Where are octopuses predominantly found?

In all oceans, at varying depths

- National Geographic

What are the suction cups on an octopus's tentacles used for?

Gripping onto prey and surfaces

- Smithsonian Ocean Portal

How do octopuses breathe?

Through gills

- MarineBio

What distinctive ability do octopuses have to escape through small openings?

They can squeeze through tiny gaps by contorting their bodies

- National Geographic

Why do female octopuses die shortly after laying their eggs?

Because they stop eating and devote all their energy to caring for the eggs

- Smithsonian Ocean Portal

How do octopuses communicate with each other?

Primarily through body language and changing skin color

- MarineBio

What is the largest species of octopus known to exist?

North Pacific giant octopus

- National Geographic

What type of vision do octopuses generally have?

They have excellent eyesight with no blind spot

- Smithsonian Ocean Portal

How do octopuses reproduce?

Mating occurs when the male uses a specialized arm to transfer sperm into the female's mantle cavity

- MarineBio

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