Azorean predacious diving beetle vs Bighead spurdog

Agabus godmanni compared with Squalus bucephalus

Key Differences

• Azorean predacious diving beetle is Endangered while Bighead spurdog is Data Deficient.

Taxonomic Classification

Rank	Azorean predacious diving beetle	Bighead spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Elasmobranchii
Order	Coleoptera (Beetles)	Squaliformes (Squaliformes)
Family	Dytiscidae	Squalidae
Genus	Agabus	Squalus
Species	Agabus godmanni	Squalus bucephalus

Evolutionary Relationship

Azorean predacious diving beetle and Bighead spurdog share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Azorean predacious diving beetle

EN — Endangered

Bighead spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Azorean predacious diving beetle	Bighead spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azorean predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Bighead spurdog

Azorean predacious diving beetle

The Azorean predacious diving beetle (Agabus godmanni) is a species in the genus Agabus. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Bighead spurdog

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.