Bladder Fern vs Crabeater seal

Cystopteris fragilis compared with Lobodon carcinophaga

Key Differences

• Bladder Fern is Not Evaluated while Crabeater seal is Least Concern.

Taxonomic Classification

Rank	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 fragilis	Lobodon carcinophaga

Conservation Status

Bladder Fern

NE — Not Evaluated

Crabeater seal

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Crabeater seal
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).

Crabeater seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bladder Fern

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