Brown Diving Beetle vs floating crystalwort

Agabus brunneus compared with Riccia fluitans

Key Differences

• Brown Diving Beetle is Extinct while floating crystalwort is Near Threatened.

Taxonomic Classification

Rank	Brown Diving Beetle	floating crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Coleoptera (Beetles)	Marchantiales (Marchantiales)
Family	Dytiscidae	Ricciaceae
Genus	Agabus	Riccia
Species	Agabus brunneus	Riccia fluitans

Conservation Status

Brown Diving Beetle

EX — Extinct

floating crystalwort

NT — Near Threatened

Physical Characteristics

Attribute	Brown Diving Beetle	floating crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

floating crystalwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden