Argentine angelshark vs Red-billed Duck

Squatina occulta compared with Anas erythrorhyncha

Key Differences

• Argentine angelshark is Critically Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Argentine angelshark	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 occulta	Anas erythrorhyncha

Evolutionary Relationship

Argentine angelshark and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Argentine angelshark

CR — Critically Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Argentine angelshark	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Argentine angelshark

Red-billed Duck

Habitat

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

Range

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

Argentine angelshark

The Argentine angelshark (Squatina occulta) 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.