Prickly Redfish vs small tortoiseshell

Thelenota ananas compared with Aglais urticae

Key Differences

• Prickly Redfish is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Prickly Redfish	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Holothuroidea (Holothuroidea)	Insecta (Insects)
Order	Synallactida (Synallactida)	Lepidoptera (Butterflies & Moths)
Family	Stichopodidae	Nymphalidae (Brush-footed Butterflies)
Genus	Thelenota	Aglais
Species	Thelenota ananas	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Prickly Redfish

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Prickly Redfish	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Prickly Redfish

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Taiwan. Currently classified as Endangered 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.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway