Broadnose cat shark vs large tortoiseshell

Apristurus investigatoris compared with Nymphalis polychloros

Key Differences

• Broadnose cat shark is Least Concern while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	Broadnose cat shark	large tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Scyliorhinidae	Nymphalidae (Brush-footed Butterflies)
Genus	Apristurus	Nymphalis
Species	Apristurus investigatoris	Nymphalis polychloros

Evolutionary Relationship

Broadnose cat shark and large tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Broadnose cat shark

LC — Least Concern

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	Broadnose cat shark	large tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadnose cat shark

Habitat

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

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Critically Endangered 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.

large tortoiseshell

large tortoiseshell (Nymphalis polychloros) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.