Ocellate Topeshark vs Red-billed Duck

Hemitriakis complicofasciata compared with Anas erythrorhyncha

Key Differences

• Ocellate Topeshark is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Ocellate Topeshark	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	Triakidae	Anatidae
Genus	Hemitriakis	Anas
Species	Hemitriakis complicofasciata	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Ocellate Topeshark

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Ocellate Topeshark	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ocellate Topeshark

Habitat

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

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.