Bigeye thresher vs Gemeine Smaragdlibelle

Alopias pelagicus compared with Cordulia aenea

Key Differences

• Bigeye thresher is Endangered while Gemeine Smaragdlibelle is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Gemeine Smaragdlibelle
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Chondrichthyes (Knorpelfische)	Insecta (Insekten)
Order	Lamniformes (Makrelenhaiartige)	Odonata (Libellen)
Family	Alopiidae	Corduliidae
Genus	Alopias	Cordulia
Species	Alopias pelagicus	Cordulia aenea

Evolutionary Relationship

Bigeye thresher and Gemeine Smaragdlibelle share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Bigeye thresher

EN — Endangered

Gemeine Smaragdlibelle

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Gemeine Smaragdlibelle
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.

Gemeine Smaragdlibelle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.

Gemeine Smaragdlibelle

Downy Emerald (Cordulia aenea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.