Bigeye thresher vs Cizgili Vunus

Alopias pelagicus compared with Stenella coeruleoalba

Key Differences

• Bigeye thresher is Endangered while Cizgili Vunus is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Cizgili Vunus
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Chondrichthyes (Kıkırdaklı balıklar)	Mammalia (memeliler)
Order	Lamniformes (Dik burunlular)	Cetacea (Whales & Dolphins)
Family	Alopiidae	Delphinidae (Oceanic Dolphins)
Genus	Alopias	Stenella
Species	Alopias pelagicus	Stenella coeruleoalba

Evolutionary Relationship

Bigeye thresher and Cizgili Vunus share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

Bigeye thresher

EN — Endangered

Cizgili Vunus

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Cizgili Vunus
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.

Cizgili Vunus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

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.

Cizgili Vunus

Blue Dolphin (Stenella coeruleoalba) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇹🇼 Taiwan