Bigeye thresher vs Adlerrochen

Alopias pelagicus compared with Aetobatus narinari

Key Differences

• Bigeye thresher is Endangered while Adlerrochen is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Adlerrochen
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Chondrichthyes (Knorpelfische)	Elasmobranchii
Order	Lamniformes (Makrelenhaiartige)	Myliobatiformes (Stechrochenartige)
Family	Alopiidae	Myliobatidae
Genus	Alopias	Aetobatus
Species	Alopias pelagicus	Aetobatus narinari

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Adlerrochen

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Adlerrochen
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.

Adlerrochen

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Taiwan, and Venezuela. 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.

Adlerrochen

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇹🇼 Taiwan