Broadgill Catshark vs Brook Stippleback Lichen

Apristurus riveri compared with Dermatocarpon luridum

Key Differences

• Broadgill Catshark is Least Concern while Brook Stippleback Lichen is Critically Endangered.

Taxonomic Classification

Rank	Broadgill Catshark	Brook Stippleback Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Chondrichthyes (Cartilaginous Fish)	Eurotiomycetes (Eurotiomycetes)
Order	Carcharhiniformes (Ground Sharks)	Verrucariales (Verrucariales)
Family	Scyliorhinidae	Verrucariaceae
Genus	Apristurus	Dermatocarpon
Species	Apristurus riveri	Dermatocarpon luridum

Conservation Status

Broadgill Catshark

LC — Least Concern

Brook Stippleback Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Broadgill Catshark	Brook Stippleback Lichen
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.

Brook Stippleback 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.

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.

Brook Stippleback Lichen

The Brook Stippleback Lichen (Dermatocarpon luridum) is a species in the genus Dermatocarpon. 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.