Bigeye thresher vs Erz-Kanalläufer

Alopias pelagicus compared with Amara aenea

Key Differences

• Bigeye thresher is Endangered while Erz-Kanalläufer is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Erz-Kanalläufer
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Chondrichthyes (Knorpelfische)	Insecta (Insekten)
Order	Lamniformes (Makrelenhaiartige)	Coleoptera (Käfer)
Family	Alopiidae	Carabidae
Genus	Alopias	Amara
Species	Alopias pelagicus	Amara aenea

Evolutionary Relationship

Bigeye thresher and Erz-Kanalläufer share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Bigeye thresher

EN — Endangered

Erz-Kanalläufer

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Erz-Kanalläufer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Erz-Kanalläufer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries) and North America (Canada, United States).

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Erz-Kanalläufer

<em>Amara aenea</em>, the common sun beetle, is a carabid ground beetle in the family Carabidae, order Coleoptera. It is broadly distributed across Europe and has been introduced to North America, typically inhabiting open, sunny habitats such as arable fields, grasslands, sandy heathlands, and disturbed ground with sparse vegetation. Adults are omnivorous, feeding on seeds, small invertebrates, and plant material, and are considered important predators of weed seeds in agricultural systems. <em>Amara aenea</em> is surface-active during warm, dry conditions, typically exhibiting peak activity in late spring and summer. Like many carabid beetles, it is nocturnal and shelters under stones and debris during the day. Larvae develop in the soil, where they also feed on organic matter and small invertebrates. Biological traits including precise adult lifespan, body length measurements, and detailed prey preferences remain poorly documented at the species level. The species is assessed as Least Concern by the IUCN, reflecting its wide distribution, high adaptability to disturbed environments, and no significant known threats to global population status.