Bigeye thresher vs Blacknose skate

Alopias pelagicus compared with Breviraja mouldi

Key Differences

• Bigeye thresher is Endangered while Blacknose skate is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Blacknose 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	Breviraja
Species	Alopias pelagicus	Breviraja mouldi

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Blacknose skate

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Blacknose 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.

Blacknose 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.

Blacknose skate

The Blacknose skate (Breviraja mouldi) is a species in the genus Breviraja. It is currently classified as Least Concern on the IUCN Red List. Detailed ecological data for this species continues to be documented through ongoing taxonomic and conservation research.