Bigeye thresher vs Fierce Orbweaver

Alopias pelagicus compared with Araneus saevus

Key Differences

• Bigeye thresher is Endangered while Fierce Orbweaver is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Fierce Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Arachnida (Arachnids)
Order	Lamniformes (Mackerel Sharks)	Araneae (Araneae)
Family	Alopiidae	Araneidae
Genus	Alopias	Araneus
Species	Alopias pelagicus	Araneus saevus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Fierce Orbweaver

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Fierce Orbweaver
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.

Fierce Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Canada, Norway, Sweden, and United States. 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.