Blue Dolphin vs Upper Crust

Stenella coeruleoalba compared with Amaurodon cyaneus

Key Differences

• Blue Dolphin is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Upper Crust
Kingdom	Animalia (động vật)	Fungi (nấm)
Phylum	Chordata (động vật có dây sống)	Basidiomycota (Club Fungi)
Class	Mammalia (lớp Thú)	Agaricomycetes (Mushrooms)
Order	Cetacea (Whales & Dolphins)	Thelephorales (Thelephorales)
Family	Delphinidae (Oceanic Dolphins)	Thelephoraceae
Genus	Stenella	Amaurodon
Species	Stenella coeruleoalba	Amaurodon cyaneus

Conservation Status

Blue Dolphin

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Upper Crust
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).

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden