Broadgill Catshark vs River Tern

Apristurus riveri compared with Sterna aurantia

Key Differences

• Broadgill Catshark is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Broadgill Catshark	River Tern
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	Laridae
Genus	Apristurus	Sterna
Species	Apristurus riveri	Sterna aurantia

Evolutionary Relationship

Broadgill Catshark and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Broadgill Catshark

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Broadgill Catshark	River Tern
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.

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable 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.