Longhead cat shark vs Red-billed Duck

Apristurus longicephalus compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Longhead cat shark	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Anseriformes (Anseriformes)
Family	Scyliorhinidae	Anatidae
Genus	Apristurus	Anas
Species	Apristurus longicephalus	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Longhead cat shark

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Longhead cat shark	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Longhead cat shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.