Bigeye thresher vs Smoky Crottle

Alopias pelagicus compared with Parmelia omphalodes

Key Differences

• Bigeye thresher is Endangered while Smoky Crottle is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Smoky Crottle
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Chondrichthyes (Cartilaginous Fish)	Lecanoromycetes (Lecanoromycetes)
Order	Lamniformes (Mackerel Sharks)	Lecanorales (Lecanorales)
Family	Alopiidae	Parmeliaceae
Genus	Alopias	Parmelia
Species	Alopias pelagicus	Parmelia omphalodes

Conservation Status

Bigeye thresher

EN — Endangered

Smoky Crottle

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Smoky Crottle
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.

Smoky Crottle

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.