Black roughscale catshark vs Boreal Button Lichen

Apristurus melanoasper compared with Buellia disciformis

Key Differences

• Black roughscale catshark is Least Concern while Boreal Button Lichen is Critically Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Boreal Button Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Chondrichthyes (Cartilaginous Fish)	Lecanoromycetes (Lecanoromycetes)
Order	Carcharhiniformes (Ground Sharks)	Caliciales (Caliciales)
Family	Scyliorhinidae	Caliciaceae
Genus	Apristurus	Buellia
Species	Apristurus melanoasper	Buellia disciformis

Conservation Status

Black roughscale catshark

LC — Least Concern

Boreal Button Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Boreal Button Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black roughscale catshark

Habitat

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

Boreal Button Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.

Boreal Button Lichen

The Boreal Button Lichen (Buellia disciformis) is a species in the genus Buellia. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.