Bigeye thresher vs Ko`oko`olau

Alopias pelagicus compared with Bidens campylotheca

Key Differences

• Bigeye thresher is Endangered while Ko`oko`olau is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Ko`oko`olau
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	Bidens
Species	Alopias pelagicus	Bidens campylotheca

Conservation Status

Bigeye thresher

EN — Endangered

Ko`oko`olau

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Ko`oko`olau
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.

Ko`oko`olau

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Turkey. Currently classified as Vulnerable 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.