Bigeye thresher vs Northern Dart

Alopias pelagicus compared with Xestia alpicola

Key Differences

• Bigeye thresher is Endangered while Northern Dart is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Northern Dart
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	Noctuidae
Genus	Alopias	Xestia
Species	Alopias pelagicus	Xestia alpicola

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Northern Dart

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Northern Dart
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.

Northern Dart

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.