Brown Diving Beetle vs Ridge Tail Salamander

Agabus brunneus compared with Pseudoeurycea obesa

Key Differences

• Brown Diving Beetle is Extinct while Ridge Tail Salamander is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Ridge Tail 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	Pseudoeurycea
Species	Agabus brunneus	Pseudoeurycea obesa

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

Ridge Tail Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Ridge Tail 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.

Ridge Tail Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.