Mandarin dogfish vs Red-billed Duck

Cirrhigaleus barbifer compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Mandarin dogfish	Red-billed Duck
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	Cirrhigaleus	Anas
Species	Cirrhigaleus barbifer	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Mandarin dogfish

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Mandarin dogfish	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mandarin dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

Red-billed Duck

Habitat

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

Range

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

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.