Common Seahorse vs

Hippocampus kuda compared with Nitzschia angularis

Key Differences

• Common Seahorse is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Common Seahorse
Kingdom	Animalia (動物)	Chromista (クロミスタ)
Phylum	Chordata (脊索動物)	Ochrophyta (オクロ植物)
Class	Actinopterygii (Ray-finned Fish)	Bacillariophyceae (クサリケイソウ綱)
Order	Perciformes (ペルカ目)	Bacillariales (Bacillariales)
Family	Pomacentridae (Clownfish & Damselfish)	Bacillariaceae
Genus	Amphiprion (Clownfish)	Nitzschia
Species	Hippocampus kuda	Nitzschia angularis

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

NE — Not Evaluated

Physical Characteristics

Attribute	Common Seahorse
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.

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

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。

Nitzschia angularisは角張った端部と殻の竜骨に沿って位置する特徴的な縫合線を持つ細長い羽状淡水珪藻である。河川、池、栄養豊富な湖を含む富栄養から中栄養の淡水環境に生息する。この光合成珪藻は中程度に栄養が豊富な淡水条件と関連している。