Broadgill Catshark vs limestone fern

Apristurus riveri compared with Gymnocarpium robertianum

Key Differences

• Broadgill Catshark is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Broadgill Catshark	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Chondrichthyes (Cartilaginous Fish)	Polypodiopsida (Polypodiopsida)
Order	Carcharhiniformes (Ground Sharks)	Polypodiales (Polypodiales)
Family	Scyliorhinidae	Cystopteridaceae
Genus	Apristurus	Gymnocarpium
Species	Apristurus riveri	Gymnocarpium robertianum

Conservation Status

Broadgill Catshark

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Broadgill Catshark	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadgill Catshark

Habitat

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

Range

Found in Venezuela.

limestone fern

Habitat

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

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.