Bigeye dogfish vs White-cheeked Pintail

Squalus blainville compared with Anas bahamensis

Key Differences

• Bigeye dogfish is Data Deficient while White-cheeked Pintail is Least Concern.

Taxonomic Classification

Rank	Bigeye dogfish	White-cheeked Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Anseriformes (Anseriformes)
Family	Squalidae	Anatidae
Genus	Squalus	Anas
Species	Squalus blainville	Anas bahamensis

Evolutionary Relationship

Bigeye dogfish and White-cheeked Pintail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye dogfish

DD — Data Deficient

White-cheeked Pintail

LC — Least Concern

Physical Characteristics

Attribute	Bigeye dogfish	White-cheeked Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye dogfish

Habitat

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

Range

Found in Chile.

White-cheeked Pintail

Habitat

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

Range

Widely distributed across Asia (Israel), Europe (9 countries), and South America (Colombia, Ecuador, Venezuela).

Bigeye dogfish

The Bigeye dogfish (Squalus blainville) is a species in the genus Squalus. Native to South America, inhabiting ecosystems characteristic of the region.

White-cheeked Pintail

White-cheeked Pintail (Anas bahamensis) 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.