Brittle Bladderfern vs Giant Otter

Cystopteris tenuis compared with Pteronura brasiliensis

Key Differences

• Brittle Bladderfern is Not Evaluated while Giant Otter is Endangered.

Taxonomic Classification

Rank	Brittle Bladderfern	Giant Otter
Kingdom	Plantae (tumbuhan)	Animalia (hewan)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamalia)
Order	Polypodiales (Polypodiales)	Carnivora (Carnivorans)
Family	Cystopteridaceae	Mustelidae (Weasels & Otters)
Genus	Cystopteris	Pteronura
Species	Cystopteris tenuis	Pteronura brasiliensis

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Brittle Bladderfern	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

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.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.