Far Eastern Brook Lamprey vs small tortoiseshell

Lethenteron reissneri compared with Aglais urticae

Key Differences

• Far Eastern Brook Lamprey is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Petromyzonti (Petromyzonti)	Insecta (Insects)
Order	Petromyzontiformes (lamprey)	Lepidoptera (Butterflies & Moths)
Family	Petromyzontidae	Nymphalidae (Brush-footed Butterflies)
Genus	Lethenteron	Aglais
Species	Lethenteron reissneri	Aglais urticae

Evolutionary Relationship

Far Eastern Brook Lamprey and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

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.