Angular angel shark vs Red-billed Duck

Squatina argentina compared with Anas erythrorhyncha

Key Differences

• Angular angel shark is Critically Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Angular angel shark	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squatiniformes (Squatiniformes)	Anseriformes (Anseriformes)
Family	Squatinidae	Anatidae
Genus	Squatina	Anas
Species	Squatina argentina	Anas erythrorhyncha

Evolutionary Relationship

Angular angel shark and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Angular angel shark

CR — Critically Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Angular angel shark	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular angel shark

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Angular angel shark

The Angular angel shark (Squatina argentina) is a species in the genus Squatina. It is currently classified as Critically Endangered on the IUCN Red List.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.