Atlantic fourhorn octopus vs common bottlenose dolphin

Pteroctopus tetracirrhus compared with Tursiops truncatus

Key Differences

• Atlantic fourhorn octopus is Not Evaluated while common bottlenose dolphin is Least Concern.

Taxonomic Classification

Rank	Atlantic fourhorn octopus	common bottlenose dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Cephalopoda (Cephalopods)	Mammalia (Mammals)
Order	Octopoda (Octopuses)	Cetacea (Whales & Dolphins)
Family	Octopodidae (Common Octopuses)	Delphinidae (Oceanic Dolphins)
Genus	Pteroctopus	Tursiops (Bottlenose Dolphins)
Species	Pteroctopus tetracirrhus	Tursiops truncatus

Evolutionary Relationship

Atlantic fourhorn octopus and common bottlenose dolphin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic fourhorn octopus

NE — Not Evaluated

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Atlantic fourhorn octopus	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Atlantic fourhorn octopus

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Sweden.

common bottlenose dolphin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Atlantic fourhorn octopus

The Atlantic fourhorn octopus (Pteroctopus tetracirrhus) is a species in the genus Pteroctopus. Native to Europe, inhabiting ecosystems characteristic of the region.

common bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.

Shared Countries

Both species can be found in 1 countries:

🇸🇪 Sweden