Bladder Fern vs Giant Otter

Cystopteris fragilis compared with Pteronura brasiliensis

Key Differences

• Bladder Fern is Not Evaluated while Giant Otter is Endangered.

Taxonomic Classification

Rank	Bladder Fern	Giant Otter
Kingdom	Plantae (planta)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (cordados)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamíferos)
Order	Polypodiales (Polypodiales)	Carnivora (carnívoros)
Family	Cystopteridaceae	Mustelidae (Weasels & Otters)
Genus	Cystopteris	Pteronura
Species	Cystopteris fragilis	Pteronura brasiliensis

Conservation Status

Bladder Fern

NE — Not Evaluated

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Bladder Fern	Giant Otter
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).

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bladder Fern

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

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia