Broadgill Catshark vs Empress Brilliant

Apristurus riveri compared with Heliodoxa imperatrix

Taxonomic Classification

Rank	Broadgill Catshark	Empress Brilliant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Apodiformes (Apodiformes)
Family	Scyliorhinidae	Trochilidae
Genus	Apristurus	Heliodoxa
Species	Apristurus riveri	Heliodoxa imperatrix

Evolutionary Relationship

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

Conservation Status

Broadgill Catshark

LC — Least Concern

Empress Brilliant

LC — Least Concern

Physical Characteristics

Attribute	Broadgill Catshark	Empress Brilliant
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.

Empress Brilliant

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Empress Brilliant

A large, brilliantly colored hummingbird of humid Andean forests in Colombia and Ecuador, male empress brilliants are among the most striking hummingbirds with iridescent green and violet plumage and glittering scales across their throat and breast. Found at elevations between 1,000–2,100 meters in cloud forest. Named in honor of Empress Eugenie of France, these powerful birds aggressively defend territory around flowering trees. Listed as Least Concern with stable populations in remaining Andean forest.