Broad Scalewort vs Broadgill Catshark

Porella obtusata compared with Apristurus riveri

Key Differences

• Broad Scalewort is Endangered while Broadgill Catshark is Least Concern.

Taxonomic Classification

Rank	Broad Scalewort	Broadgill Catshark
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Chondrichthyes (Cartilaginous Fish)
Order	Porellales (Porellales)	Carcharhiniformes (Ground Sharks)
Family	Porellaceae	Scyliorhinidae
Genus	Porella	Apristurus
Species	Porella obtusata	Apristurus riveri

Conservation Status

Broad Scalewort

EN — Endangered

Broadgill Catshark

LC — Least Concern

Physical Characteristics

Attribute	Broad Scalewort	Broadgill Catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad Scalewort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

Broadgill Catshark

Habitat

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

Range

Found in Venezuela.

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.