Common Seahorse vs white stickhydroid

Hippocampus kuda compared with Eudendrium album

Key Differences

• Common Seahorse is Vulnerable while white stickhydroid is Not Evaluated.

Taxonomic Classification

Rank	Common Seahorse	white stickhydroid
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Cnidaria (刺胞動物)
Class	Actinopterygii (Ray-finned Fish)	Hydrozoa (ヒドロ虫綱)
Order	Perciformes (ペルカ目)	Anthoathecata (花クラゲ目)
Family	Pomacentridae (Clownfish & Damselfish)	Eudendriidae
Genus	Amphiprion (Clownfish)	Eudendrium
Species	Hippocampus kuda	Eudendrium album

Evolutionary Relationship

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

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

white stickhydroid

NE — Not Evaluated

Physical Characteristics

Attribute	Common Seahorse	white stickhydroid
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.

white stickhydroid

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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。