Base-lined Grey vs Big eye thresher shark

Scoparia basistrigalis compared with Alopias superciliosus

Key Differences

• Base-lined Grey is Near Threatened while Big eye thresher shark is Vulnerable.

Taxonomic Classification

Rank	Base-lined Grey	Big eye thresher shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Chondrichthyes (Cartilaginous Fish)
Order	Lepidoptera (Butterflies & Moths)	Lamniformes (Mackerel Sharks)
Family	Crambidae	Alopiidae
Genus	Scoparia	Alopias
Species	Scoparia basistrigalis	Alopias superciliosus

Evolutionary Relationship

Base-lined Grey and Big eye thresher shark share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Base-lined Grey

NT — Near Threatened

Big eye thresher shark

VU — Vulnerable

Physical Characteristics

Attribute	Base-lined Grey	Big eye thresher shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-lined Grey

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.

Base-lined Grey

The Base-lined Grey (Scoparia basistrigalis) is a species in the genus Scoparia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.