Bigeye thresher vs Scaly Stalkball

Alopias pelagicus compared with Tulostoma melanocyclum

Key Differences

• Bigeye thresher is Endangered while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Scaly Stalkball
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	Agaricaceae (Agarics)
Genus	Alopias	Tulostoma
Species	Alopias pelagicus	Tulostoma melanocyclum

Conservation Status

Bigeye thresher

EN — Endangered

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Scaly Stalkball
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.

Scaly Stalkball

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.