Bigeye thresher vs Glabrous Catsear

Alopias pelagicus compared with Hypochaeris glabra

Key Differences

Bigeye thresher is Endangered while Glabrous Catsear is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Glabrous Catsear
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	Hypochaeris
Species	Alopias pelagicus	Hypochaeris glabra

Conservation Status

Bigeye thresher

EN — Endangered

Glabrous Catsear

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Glabrous Catsear
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.

Glabrous Catsear

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (India, Japan, Taiwan), Europe (5 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.