hydroid vs small tortoiseshell

Obelia longissima compared with Aglais urticae

Key Differences

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

Taxonomic Classification

Rank	hydroid	small tortoiseshell
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Cnidaria (刺胞動物門)	Arthropoda (节肢动物门)
Class	Hydrozoa (水螅纲)	Insecta (昆蟲綱)
Order	Leptothecata (软水母目)	Lepidoptera (鱗翅目)
Family	Campanulariidae	Nymphalidae (Brush-footed Butterflies)
Genus	Obelia	Aglais
Species	Obelia longissima	Aglais urticae

Evolutionary Relationship

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

Conservation Status

hydroid

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

hydroid

Habitat

Native to Europe and North America and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (4 countries), North America (United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina).

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

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden