Alpine Bladder-fern vs Crabeater seal

Cystopteris alpina compared with Lobodon carcinophaga

Key Differences

• Alpine Bladder-fern is Near Threatened while Crabeater seal is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Crabeater seal
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Pinnipedia (Seals & Sea Lions)
Family	Cystopteridaceae	Phocidae (True Seals)
Genus	Cystopteris	Lobodon
Species	Cystopteris alpina	Lobodon carcinophaga

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Crabeater seal

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Crabeater seal
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.

Crabeater seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.