Bigeye thresher vs Cardinal Spider

Alopias pelagicus compared with Tegenaria parietina

Key Differences

• Bigeye thresher is Endangered while Cardinal Spider is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Cardinal Spider
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	Agelenidae
Genus	Alopias	Tegenaria
Species	Alopias pelagicus	Tegenaria parietina

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Cardinal Spider

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Cardinal Spider
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.

Cardinal Spider

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Austria, Belgium, Denmark, and Portugal.

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.

Cardinal Spider

The Cardinal Spider (Tegenaria parietina) is a species in the genus Tegenaria. It is currently classified as Least Concern (LC) on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.