Broadgill Catshark vs Great Thick-knee

Apristurus riveri compared with Esacus recurvirostris

Key Differences

• Broadgill Catshark is Least Concern while Great Thick-knee is Near Threatened.

Taxonomic Classification

Rank	Broadgill Catshark	Great Thick-knee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Charadriiformes (Charadriiformes)
Family	Scyliorhinidae	Burhinidae
Genus	Apristurus	Esacus
Species	Apristurus riveri	Esacus recurvirostris

Evolutionary Relationship

Broadgill Catshark and Great Thick-knee share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Broadgill Catshark

LC — Least Concern

Great Thick-knee

NT — Near Threatened

Physical Characteristics

Attribute	Broadgill Catshark	Great Thick-knee
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.

Great Thick-knee

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. 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.