Bigelow's ray vs Bigeye thresher

Rajella bigelowi compared with Alopias pelagicus

Key Differences

• Bigelow's ray is Least Concern while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Bigelow's ray	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Chondrichthyes (Cartilaginous Fish)
Order	Rajiformes (Rajiformes)	Lamniformes (Mackerel Sharks)
Family	Rajidae	Alopiidae
Genus	Rajella	Alopias
Species	Rajella bigelowi	Alopias pelagicus

Evolutionary Relationship

Bigelow's ray and Bigeye thresher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigelow's ray

LC — Least Concern

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Bigelow's ray	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigelow's ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Portugal.

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.

Bigelow's ray

The Bigelow's ray (Rajella bigelowi) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

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.