Bigeye thresher vs Long Tom Widow

Alopias pelagicus compared with Dingana angusta

Key Differences

• Bigeye thresher is Endangered while Long Tom Widow is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Long Tom Widow
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	Nymphalidae (Brush-footed Butterflies)
Genus	Alopias	Dingana
Species	Alopias pelagicus	Dingana angusta

Evolutionary Relationship

Bigeye thresher and Long Tom Widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Long Tom Widow

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Long Tom Widow
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.

Long Tom Widow

Habitat

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.