Bigeye thresher vs cacomistle

Alopias pelagicus compared with Bassariscus sumichrasti

Key Differences

• Bigeye thresher is Endangered while cacomistle is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	cacomistle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Carnivora (Carnivorans)
Family	Alopiidae	Procyonidae (Raccoons)
Genus	Alopias	Bassariscus
Species	Alopias pelagicus	Bassariscus sumichrasti

Evolutionary Relationship

Bigeye thresher and cacomistle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

cacomistle

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	cacomistle
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.

cacomistle

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

cacomistle

The Cacomistle (Bassariscus sumichrasti) is a species in the genus Bassariscus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.