Bigeye thresher vs Ridged Ear Abalone

Alopias pelagicus compared with Haliotis scalaris

Key Differences

• Bigeye thresher is Endangered while Ridged Ear Abalone is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Ridged Ear Abalone
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Chondrichthyes (Cartilaginous Fish)	Gastropoda (Gastropoda)
Order	Lamniformes (Mackerel Sharks)	Lepetellida (Lepetellida)
Family	Alopiidae	Haliotidae
Genus	Alopias	Haliotis
Species	Alopias pelagicus	Haliotis scalaris

Evolutionary Relationship

Bigeye thresher and Ridged Ear Abalone share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Ridged Ear Abalone

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Ridged Ear Abalone
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.

Ridged Ear Abalone

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.