Bigeye thresher vs Bitter Tooth

Alopias pelagicus compared with Hydnellum scabrosum

Key Differences

• Bigeye thresher is Endangered while Bitter Tooth is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Bitter Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Chondrichthyes (Cartilaginous Fish)	Agaricomycetes (Mushrooms)
Order	Lamniformes (Mackerel Sharks)	Thelephorales (Thelephorales)
Family	Alopiidae	Bankeraceae
Genus	Alopias	Hydnellum
Species	Alopias pelagicus	Hydnellum scabrosum

Conservation Status

Bigeye thresher

EN — Endangered

Bitter Tooth

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Bitter Tooth
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.

Bitter Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.