Blue Dolphin vs Medusa Brittlestem

Stenella coeruleoalba compared with Psathyrella caput-medusae

Key Differences

• Blue Dolphin is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Medusa Brittlestem
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Basidiomycota (担子菌門)
Class	Mammalia (哺乳類)	Agaricomycetes (真正担子菌綱)
Order	Cetacea (Whales & Dolphins)	Agaricales (ハラタケ目)
Family	Delphinidae (Oceanic Dolphins)	Psathyrellaceae
Genus	Stenella	Psathyrella
Species	Stenella coeruleoalba	Psathyrella caput-medusae

Conservation Status

Blue Dolphin

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Blue Dolphin	Medusa Brittlestem
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).

Medusa Brittlestem

Habitat

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

Range

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

Blue Dolphin

スジイルカ（Stenella coeruleoalba）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はありません。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden