Balkan Clouded Yellow vs Bigeye thresher

Colias caucasica compared with Alopias pelagicus

Key Differences

• Balkan Clouded Yellow is Least Concern while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Balkan Clouded Yellow	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Chondrichthyes (Cartilaginous Fish)
Order	Lepidoptera (Butterflies & Moths)	Lamniformes (Mackerel Sharks)
Family	Pieridae	Alopiidae
Genus	Colias	Alopias
Species	Colias caucasica	Alopias pelagicus

Evolutionary Relationship

Balkan Clouded Yellow and Bigeye thresher share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Balkan Clouded Yellow

LC — Least Concern

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Balkan Clouded Yellow	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Balkan Clouded Yellow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (8 countries).

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.

Balkan Clouded Yellow

The Balkan Clouded Yellow (Colias caucasica) is a species in the genus Colias. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.