Bigeye thresher vs Nagelrochen

Alopias pelagicus compared with Raja clavata

Key Differences

• Bigeye thresher is Endangered while Nagelrochen is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Nagelrochen
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Chondrichthyes (Knorpelfische)	Elasmobranchii
Order	Lamniformes (Makrelenhaiartige)	Rajiformes (Rajiformes)
Family	Alopiidae	Rajidae
Genus	Alopias	Raja
Species	Alopias pelagicus	Raja clavata

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Nagelrochen

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Nagelrochen
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.

Nagelrochen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.