Big eye thresher shark vs False widow

Alopias superciliosus compared with Steatoda bipunctata

Key Differences

• Big eye thresher shark is Vulnerable while False widow is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	False widow
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	Theridiidae
Genus	Alopias	Steatoda
Species	Alopias superciliosus	Steatoda bipunctata

Evolutionary Relationship

Big eye thresher shark and False widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big eye thresher shark

VU — Vulnerable

False widow

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	False widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.