Broadgill Catshark vs False Bruce Spanworm

Apristurus riveri compared with Macaria loricaria

Key Differences

• Broadgill Catshark is Least Concern while False Bruce Spanworm is Near Threatened.

Taxonomic Classification

Rank	Broadgill Catshark	False Bruce Spanworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Scyliorhinidae	Geometridae
Genus	Apristurus	Macaria
Species	Apristurus riveri	Macaria loricaria

Evolutionary Relationship

Broadgill Catshark and False Bruce Spanworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Broadgill Catshark

LC — Least Concern

False Bruce Spanworm

NT — Near Threatened

Physical Characteristics

Attribute	Broadgill Catshark	False Bruce Spanworm
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.

False Bruce Spanworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.