doubletoothed hydroid vs small tortoiseshell

Obelia bidentata compared with Aglais urticae

Key Differences

• doubletoothed hydroid is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	doubletoothed hydroid	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (Cnidarians)	Arthropoda (Arthropods)
Class	Hydrozoa (Hydrozoa)	Insecta (Insects)
Order	Leptothecata (Leptothecata)	Lepidoptera (Butterflies & Moths)
Family	Campanulariidae	Nymphalidae (Brush-footed Butterflies)
Genus	Obelia	Aglais
Species	Obelia bidentata	Aglais urticae

Evolutionary Relationship

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

Conservation Status

doubletoothed hydroid

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	doubletoothed hydroid	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

doubletoothed hydroid

Habitat

Native to Africa and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Argentina, Belgium, Brazil, Portugal, and South Africa.

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 2 countries:

🇧🇪 Belgium 🇵🇹 Portugal