Bladder Fern vs Broadgill Catshark

Cystopteris fragilis compared with Apristurus riveri

Key Differences

• Bladder Fern is Not Evaluated while Broadgill Catshark is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Broadgill Catshark
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Chondrichthyes (Cartilaginous Fish)
Order	Polypodiales (Polypodiales)	Carcharhiniformes (Ground Sharks)
Family	Cystopteridaceae	Scyliorhinidae
Genus	Cystopteris	Apristurus
Species	Cystopteris fragilis	Apristurus riveri

Conservation Status

Bladder Fern

NE — Not Evaluated

Broadgill Catshark

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Broadgill Catshark
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).

Broadgill Catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela.

Bladder Fern

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

Broadgill Catshark

The Broadgill Catshark (Apristurus riveri) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.