Broadnose cat shark vs elk

Apristurus investigatoris compared with Cervus elaphus

Key Differences

• Broadnose cat shark is Least Concern while elk is Vulnerable.

Taxonomic Classification

Rank	Broadnose cat shark	elk
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Artiodactyla (Even-toed Ungulates)
Family	Scyliorhinidae	Cervidae (Deer)
Genus	Apristurus	Cervus (True Deer)
Species	Apristurus investigatoris	Cervus elaphus

Evolutionary Relationship

Broadnose cat shark and elk share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Broadnose cat shark

LC — Least Concern

elk

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Broadnose cat shark	elk
Diet	—	Herbivore
Average Lifespan	—	20 years
Average Length	—	2.1 m
Average Weight	—	240.0 kg

Habitat & Geographic Range

Broadnose cat shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

elk

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Afghanistan, Indonesia), Europe (11 countries), North America (Mexico), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Chile, Peru). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Broadnose cat shark

The Broadnose Cat Shark (Apristurus investigatoris) 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.

elk

Also known as the red deer, elk are among the largest members of the deer family, with antlered males reaching up to 240 kg. Found across temperate forests and grasslands of Europe, Asia, and North America, where populations were historically separated as distinct subspecies. Males shed and regrow their antlers annually, engaging in dramatic roaring contests during autumn rut. An important game and conservation species across its range.