Brittle Bladderfern vs Bush dog

Cystopteris tenuis compared with Speothos venaticus

Key Differences

• Brittle Bladderfern is Not Evaluated while Bush dog is Near Threatened.

Taxonomic Classification

Rank	Brittle Bladderfern	Bush dog
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Carnivora (Carnivorans)
Family	Cystopteridaceae	Canidae (Dogs & Wolves)
Genus	Cystopteris	Speothos
Species	Cystopteris tenuis	Speothos venaticus

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Bush dog

NT — Near Threatened

Physical Characteristics

Attribute	Brittle Bladderfern	Bush dog
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.

Bush dog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brittle Bladderfern

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

Bush dog

The Bush dog (Speothos venaticus) is a species in the genus Speothos. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.