Common Seahorse vs カオグロクイナ

Hippocampus kuda compared with Porzana carolina

Key Differences

• Common Seahorse is Vulnerable while カオグロクイナ is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	カオグロクイナ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Actinopterygii (Ray-finned Fish)	Aves (鳥類)
Order	Perciformes (ペルカ目)	Gruiformes (ツル目)
Family	Pomacentridae (Clownfish & Damselfish)	Rallidae
Genus	Amphiprion (Clownfish)	Porzana
Species	Hippocampus kuda	Porzana carolina

Evolutionary Relationship

Common Seahorse and カオグロクイナ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

カオグロクイナ

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	カオグロクイナ
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.

カオグロクイナ

Habitat

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

Range

Widely distributed across Europe (Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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。

カオグロクイナ

ソラ(Porzana carolina)はIUCNレッドリストで軽度懸念(LC)に分類されている。分布域全体にわたって広く分布し個体数が豊富で、個体数は安定しており直接的な保全上の懸念はない。