Black Clock vs Brown eagle-ray

Pterostichus madidus compared with Aetomylaeus milvus

Key Differences

• Black Clock is Least Concern while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Black Clock	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Elasmobranchii
Order	Coleoptera (Beetles)	Myliobatiformes (Myliobatiformes)
Family	Carabidae	Myliobatidae
Genus	Pterostichus	Aetomylaeus
Species	Pterostichus madidus	Aetomylaeus milvus

Evolutionary Relationship

Black Clock and Brown eagle-ray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Clock

LC — Least Concern

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Black Clock	Brown eagle-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Clock

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Brown eagle-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.

Black Clock

The Black Clock (Pterostichus madidus) is a species in the genus Pterostichus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.