Big eye thresher shark vs slender thistle

Alopias superciliosus compared with Carduus tenuiflorus

Key Differences

• Big eye thresher shark is Vulnerable while slender thistle is Near Threatened.

Taxonomic Classification

Rank	Big eye thresher shark	slender thistle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Lamniformes (Mackerel Sharks)	Asterales (Daisies & Sunflowers)
Family	Alopiidae	Asteraceae (Daisy Family)
Genus	Alopias	Carduus
Species	Alopias superciliosus	Carduus tenuiflorus

Conservation Status

Big eye thresher shark

VU — Vulnerable

slender thistle

NT — Near Threatened

Physical Characteristics

Attribute	Big eye thresher shark	slender thistle
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.

slender thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇱 Chile 🇵🇹 Portugal