Brown Diving Beetle vs Cownose ray

Agabus brunneus compared with Rhinoptera javanica

Key Differences

• Brown Diving Beetle is Extinct while Cownose ray is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Cownose ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Elasmobranchii
Order	Coleoptera (Beetles)	Myliobatiformes (Myliobatiformes)
Family	Dytiscidae	Myliobatidae
Genus	Agabus	Rhinoptera
Species	Agabus brunneus	Rhinoptera javanica

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

Cownose ray

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Cownose ray
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.

Cownose ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as 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.