Bigeye thresher vs Kleinzahn-Grundhai

Alopias pelagicus compared with Carcharhinus isodon

Key Differences

• Bigeye thresher is Endangered while Kleinzahn-Grundhai is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Kleinzahn-Grundhai
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Chondrichthyes (Knorpelfische)	Chondrichthyes (Knorpelfische)
Order	Lamniformes (Makrelenhaiartige)	Carcharhiniformes (Grundhaie)
Family	Alopiidae	Carcharhinidae
Genus	Alopias	Carcharhinus
Species	Alopias pelagicus	Carcharhinus isodon

Evolutionary Relationship

Bigeye thresher and Kleinzahn-Grundhai share a common ancestor at the Class level: Chondrichthyes. (Knorpelfische)

Conservation Status

Bigeye thresher

EN — Endangered

Kleinzahn-Grundhai

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Kleinzahn-Grundhai
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.

Kleinzahn-Grundhai

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.