Blue Dolphin vs chestnut worm

Stenella coeruleoalba compared with Lumbricus castaneus

Key Differences

• Blue Dolphin is Least Concern while chestnut worm is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	chestnut worm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Annelida (Segmented Worms)
Class	Mammalia (Mammals)	Clitellata (Clitellata)
Order	Cetacea (Whales & Dolphins)	Crassiclitellata (Crassiclitellata)
Family	Delphinidae (Oceanic Dolphins)	Lumbricidae
Genus	Stenella	Lumbricus
Species	Stenella coeruleoalba	Lumbricus castaneus

Evolutionary Relationship

Blue Dolphin and chestnut worm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

chestnut worm

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	chestnut worm
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).

chestnut worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

chestnut worm

The chestnut worm (Lumbricus castaneus) is a species in the genus Lumbricus. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden