bighead octopus vs common Atlantic octopus

Octopus vitiensis compared with Octopus vulgaris

Key Differences

• bighead octopus is Data Deficient while common Atlantic octopus is Not Evaluated.

Taxonomic Classification

Rank	bighead octopus	common Atlantic octopus
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Mollusca (มอลลัสกา)	Mollusca (มอลลัสกา)
Class same	Cephalopoda (ชั้นเซฟาโลพอด)	Cephalopoda (ชั้นเซฟาโลพอด)
Order same	Octopoda (หมึกสาย)	Octopoda (หมึกสาย)
Family same	Octopodidae (Common Octopuses)	Octopodidae (Common Octopuses)
Genus same	Octopus (Octopuses)	Octopus (Octopuses)
Species	Octopus vitiensis	Octopus vulgaris

Evolutionary Relationship

bighead octopus and common Atlantic octopus share a common ancestor at the Genus level: Octopus. (Octopuses)

Conservation Status

bighead octopus

DD — Data Deficient

common Atlantic octopus

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	bighead octopus	common Atlantic octopus
Diet	—	Carnivore
Average Lifespan	—	2 years
Average Length	—	60 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

bighead octopus

common Atlantic octopus

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Chile, Denmark, Norway, Portugal, and Sweden.

bighead octopus

The Bighead octopus (Octopus vitiensis) is a species in the genus Octopus.

common Atlantic octopus

One of the most studied invertebrates in neuroscience and behavioral biology, common octopuses inhabit rocky reefs and seafloors in tropical and temperate coastal waters globally. Highly intelligent with distributed nervous systems — two-thirds of their 500 million neurons reside in their arms — they demonstrate tool use, problem-solving, and individual personalities. Masters of camouflage, they change skin color and texture in milliseconds. They have three hearts, blue copper-based blood, and extremely short lifespans of 1–2 years.