Bigeye thresher vs Lake Duck

Alopias pelagicus compared with Oxyura vittata

Key Differences

• Bigeye thresher is Endangered while Lake Duck is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Lake Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Anseriformes (Anseriformes)
Family	Alopiidae	Anatidae
Genus	Alopias	Oxyura
Species	Alopias pelagicus	Oxyura vittata

Evolutionary Relationship

Bigeye thresher and Lake Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Lake Duck

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Lake Duck
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.

Lake Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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.

Lake Duck

Lake Duck (Oxyura vittata) 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.