Alpine Bladder-fern vs Blue Dolphin

Cystopteris alpina compared with Stenella coeruleoalba

Key Differences

• Alpine Bladder-fern is Near Threatened while Blue Dolphin is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Blue Dolphin
Kingdom	Plantae (растения)	Animalia (животные)
Phylum	Tracheophyta	Chordata (хордовые)
Class	Polypodiopsida (папоротниковые)	Mammalia (млекопитающие)
Order	Polypodiales (многоножковые)	Cetacea (Whales & Dolphins)
Family	Cystopteridaceae	Delphinidae (Oceanic Dolphins)
Genus	Cystopteris	Stenella
Species	Cystopteris alpina	Stenella coeruleoalba

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Blue Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Blue Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

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

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden