Cat shark vs small tortoiseshell

Bythaelurus canescens compared with Aglais urticae

Key Differences

• Cat shark is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Cat shark	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Arthropoda (artrópode)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (inseto)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Scyliorhinidae	Nymphalidae (Brush-footed Butterflies)
Genus	Bythaelurus	Aglais
Species	Bythaelurus canescens	Aglais urticae

Evolutionary Relationship

Cat shark and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cat shark

VU — Vulnerable

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Cat shark	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cat shark

Habitat

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

Range

Found in Chile. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Cat shark

The Cat shark (Bythaelurus canescens) is a species in the genus Bythaelurus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

small tortoiseshell

A borboleta-urtiga-pequena (Aglais urticae) esta classificada como Quase Ameacada (NT) na Lista Vermelha da UICN. Proxima de se qualificar como ameacada, com populacoes que podem se tornar vulneraveis sem acoes de conservacao.