Bladder Fern vs Blue Dolphin

Cystopteris fragilis compared with Stenella coeruleoalba

Key Differences

• Bladder Fern is Not Evaluated while Blue Dolphin is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Blue Dolphin
Kingdom	Plantae (thực vật)	Animalia (động vật)
Phylum	Tracheophyta	Chordata (động vật có dây sống)
Class	Polypodiopsida (Lớp Dương xỉ)	Mammalia (lớp Thú)
Order	Polypodiales (Bộ Dương xỉ)	Cetacea (Whales & Dolphins)
Family	Cystopteridaceae	Delphinidae (Oceanic Dolphins)
Genus	Cystopteris	Stenella
Species	Cystopteris fragilis	Stenella coeruleoalba

Conservation Status

Bladder Fern

NE — Not Evaluated

Blue Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Blue Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

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).

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

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 6 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan