Bigeye thresher vs Clouded Yellow

Alopias pelagicus compared with Colias croceus

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Clouded Yellow

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Clouded Yellow
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.

Clouded Yellow

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (40 countries).

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.

Clouded Yellow

Clouded Yellow (Colias croceus) 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.