Broadgill Catshark vs

Apristurus riveri compared with Nostoc sphaericum

Key Differences

• Broadgill Catshark is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Broadgill Catshark
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Chondrichthyes (Cartilaginous Fish)	Cyanobacteriia
Order	Carcharhiniformes (Ground Sharks)	Cyanobacteriales
Family	Scyliorhinidae	Nostocaceae
Genus	Apristurus	Nostoc
Species	Apristurus riveri	Nostoc sphaericum

Conservation Status

Broadgill Catshark

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Broadgill Catshark
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

Nostoc sphaericum is a colonial, nitrogen-fixing cyanobacterium in the family Nostocaceae, forming gelatinous spherical or irregular colonies visible to the naked eye. It inhabits moist soils, rocks, and freshwater environments, often forming conspicuous blobs after rainfall.