Crested shark vs small tortoiseshell

Galeus arae compared with Aglais urticae

Key Differences

• Crested shark is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Crested shark	small 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	Galeus	Aglais
Species	Galeus arae	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Crested shark

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Crested shark

Habitat

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

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.

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.