Blue Dolphin vs Lesser Cachalot

Stenella coeruleoalba compared with Kogia breviceps

Key Differences

• Blue Dolphin is Least Concern while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Blue Dolphin	Lesser Cachalot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Delphinidae (Oceanic Dolphins)	Kogiidae
Genus	Stenella	Kogia
Species	Stenella coeruleoalba	Kogia breviceps

Evolutionary Relationship

Blue Dolphin and Lesser Cachalot share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Blue Dolphin

LC — Least Concern

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Blue Dolphin	Lesser Cachalot
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and Taiwan.

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan