Black ghost shark vs small tortoiseshell

Hydrolagus homonycteris compared with Aglais urticae

Key Differences

• Black ghost shark is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Black ghost shark	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Holocephali (Holocephali)	Insecta (Insects)
Order	Chimaeriformes (Chimaeriformes)	Lepidoptera (Butterflies & Moths)
Family	Chimaeridae	Nymphalidae (Brush-footed Butterflies)
Genus	Hydrolagus	Aglais
Species	Hydrolagus homonycteris	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Black ghost shark

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Black ghost shark	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black ghost shark

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.

Black ghost shark

The Black ghost shark (Hydrolagus homonycteris) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.