Bigeye thresher vs Biscuit skate

Alopias pelagicus compared with Raja straeleni

Key Differences

• Bigeye thresher is Endangered while Biscuit skate is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Biscuit skate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Elasmobranchii
Order	Lamniformes (Mackerel Sharks)	Rajiformes (Rajiformes)
Family	Alopiidae	Rajidae
Genus	Alopias	Raja
Species	Alopias pelagicus	Raja straeleni

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Biscuit skate

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Biscuit skate
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.

Biscuit skate

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.

Biscuit skate

The Biscuit skate (Raja straeleni) is a species in the genus Raja. It is currently classified as Near Threatened on the IUCN Red List.