Bitter Tooth vs Broadgill Catshark

Hydnellum scabrosum compared with Apristurus riveri

Key Differences

• Bitter Tooth is Near Threatened while Broadgill Catshark is Least Concern.

Taxonomic Classification

Rank	Bitter Tooth	Broadgill Catshark
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Chondrichthyes (Cartilaginous Fish)
Order	Thelephorales (Thelephorales)	Carcharhiniformes (Ground Sharks)
Family	Bankeraceae	Scyliorhinidae
Genus	Hydnellum	Apristurus
Species	Hydnellum scabrosum	Apristurus riveri

Conservation Status

Bitter Tooth

NT — Near Threatened

Broadgill Catshark

LC — Least Concern

Physical Characteristics

Attribute	Bitter Tooth	Broadgill Catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Broadgill Catshark

Habitat

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

Range

Found in Venezuela.

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.