Bitter Scalewort vs Black roughscale catshark

Porella arboris-vitae compared with Apristurus melanoasper

Key Differences

• Bitter Scalewort is Vulnerable while Black roughscale catshark is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Black roughscale 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 arboris-vitae	Apristurus melanoasper

Conservation Status

Bitter Scalewort

VU — Vulnerable

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Scalewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black roughscale catshark

Habitat

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

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) 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.