Common Octopus vs Mimic Octopus
How does the Common Octopus compare to the Mimic Octopus? They are both members of the Octopodidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Octopus vulgaris
- Thaumoctopus mimicus
- Classification
- Invertebrate
- Invertebrate
- Family
- Octopodidae
- Octopodidae
- Habitat
- Coastal ocean and rocky reefs
- Shallow coastal waters and muddy estuaries
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 1-2 years
- 1.5-2 years
- Weight
- 3–10 kg
- 0.5-1 kg
Common Octopus vs Mimic Octopus: who would win?

Common Octopus
3–10 kg

Mimic Octopus
0.5-1 kg
Common Octopus wins high confidence
Common Octopus is substantially heavier (3–10 kg vs 0.5-1 kg). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are invertebrates.
- Both belong to the Octopodidae family.
- Both have a carnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Coastal ocean and rocky reefs vs Shallow coastal waters and muddy estuaries.
- Weight: 3–10 kg vs 0.5-1 kg.
Common Octopus vs Mimic Octopus: FAQ
Who would win in a fight, a Common Octopus or a Mimic Octopus?
Common Octopus wins. Common Octopus is substantially heavier (3–10 kg vs 0.5-1 kg). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Common Octopus and a Mimic Octopus?
Common Octopus and Mimic Octopus differ in several ways — habitat: coastal ocean and rocky reefs vs shallow coastal waters and muddy estuaries. weight: 3–10 kg vs 0.5-1 kg.
Do Common Octopus and Mimic Octopus live in the same habitat?
No — Common Octopus lives in coastal ocean and rocky reefs, while Mimic Octopus is found in shallow coastal waters and muddy estuaries.
What do Common Octopus and Mimic Octopus eat?
Both Common Octopus and Mimic Octopus have a carnivore diet.
Which is more endangered, the Common Octopus or the Mimic Octopus?
Common Octopus is listed as Least Concern, while Mimic Octopus is listed as Least Concern.
How big are Common Octopus and Mimic Octopus?
Common Octopus weighs around 3–10 kg, while Mimic Octopus weighs around 0.5-1 kg.

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Common Octopus

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Mimic Octopus




