Brittle Bladderfern vs Komodo Dragon

Cystopteris tenuis compared with Varanus komodoensis

Key Differences

Brittle Bladderfern is Not Evaluated while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	Brittle Bladderfern	Komodo Dragon
Kingdom	Plantae (plantas)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (cordados)
Class	Polypodiopsida (Polypodiopsida)	Reptilia (réptil)
Order	Polypodiales (Polypodiales)	Squamata (Escamados)
Family	Cystopteridaceae	Varanidae (Monitor Lizards)
Genus	Cystopteris	Varanus (Monitor Lizards)
Species	Cystopteris tenuis	Varanus komodoensis

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	Brittle Bladderfern	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

Habitat & Geographic Range

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. 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.