Brown Diving Beetle vs Cuetzalan Salamander

Agabus brunneus compared with Aquiloeurycea quetzalanensis

Key Differences

• Brown Diving Beetle is Extinct while Cuetzalan Salamander is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Cuetzalan Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Amphibia (Amphibians)
Order	Coleoptera (Beetles)	Caudata (Caudata)
Family	Dytiscidae	Plethodontidae
Genus	Agabus	Aquiloeurycea
Species	Agabus brunneus	Aquiloeurycea quetzalanensis

Evolutionary Relationship

Brown Diving Beetle and Cuetzalan Salamander share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Diving Beetle

EX — Extinct

Cuetzalan Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Cuetzalan Salamander
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.

Cuetzalan Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.