Common Seahorse vs Redhead

Hippocampus kuda compared with Aythya americana

Key Differences

• Common Seahorse is Vulnerable while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Common Seahorse	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Actinopterygii (Ray-finned Fish)	Aves (Birds)
Order	Perciformes (Perch-like Fish)	Anseriformes (Anseriformes)
Family	Pomacentridae (Clownfish & Damselfish)	Anatidae
Genus	Amphiprion (Clownfish)	Aythya
Species	Hippocampus kuda	Aythya americana

Evolutionary Relationship

Common Seahorse and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Common Seahorse	Redhead
Diet	Carnivore	—
Average Lifespan	5 years	—
Average Length	17 cm	—
Average Weight	10 g	—

Habitat & Geographic Range

Common Seahorse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, India, Indonesia, Japan, and Philippines. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Common Seahorse

The common seahorse is found in tropical and temperate waters. Males carry and deliver the babies.

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.