Common Seahorse vs Variable Dancer

Hippocampus kuda compared with Argia fumipennis

Key Differences

• Common Seahorse is Vulnerable while Variable Dancer is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	Variable Dancer
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Actinopterygii (Ray-finned Fish)	Insecta (昆虫)
Order	Perciformes (ペルカ目)	Odonata (蜻蛉目)
Family	Pomacentridae (Clownfish & Damselfish)	Coenagrionidae
Genus	Amphiprion (Clownfish)	Argia
Species	Hippocampus kuda	Argia fumipennis

Evolutionary Relationship

Common Seahorse and Variable Dancer share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Variable Dancer

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	Variable Dancer
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.

Variable Dancer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Common Seahorse

タツノオトシゴ（Hippocampus kuda）は熱帯および温帯の海域に分布する。オスが子を育てて出産するという独特な繁殖形態で知られる。