Alpine Bladder-fern vs Black-shouldered Opossum

Cystopteris alpina compared with Caluromysiops irrupta

Key Differences

• Alpine Bladder-fern is Near Threatened while Black-shouldered Opossum is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Black-shouldered Opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Didelphimorphia (Didelphimorphia)
Family	Cystopteridaceae	Didelphidae
Genus	Cystopteris	Caluromysiops
Species	Cystopteris alpina	Caluromysiops irrupta

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Black-shouldered Opossum

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Black-shouldered Opossum
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.

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.