Bigeye thresher vs Semenov onion

Alopias pelagicus compared with Allium semenowii

Key Differences

• Bigeye thresher is Endangered while Semenov onion is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Semenov onion
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Liliopsida (Monocots)
Order	Lamniformes (Mackerel Sharks)	Asparagales (Asparagales)
Family	Alopiidae	Amaryllidaceae
Genus	Alopias	Allium
Species	Alopias pelagicus	Allium semenowii

Conservation Status

Bigeye thresher

EN — Endangered

Semenov onion

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Semenov onion
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.

Semenov onion

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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.