Bigeye thresher vs Elm Leech

Alopias pelagicus compared with Hypsizygus ulmarius

Key Differences

• Bigeye thresher is Endangered while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Chondrichthyes (Cartilaginous Fish)	Agaricomycetes (Mushrooms)
Order	Lamniformes (Mackerel Sharks)	Agaricales (Gilled Mushrooms)
Family	Alopiidae	Lyophyllaceae
Genus	Alopias	Hypsizygus
Species	Alopias pelagicus	Hypsizygus ulmarius

Conservation Status

Bigeye thresher

EN — Endangered

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Elm Leech
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.

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). 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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan