Common Seahorse vs Curled Thistle

Hippocampus kuda compared with Carduus crispus

Key Differences

• Common Seahorse is Vulnerable while Curled Thistle is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	Curled Thistle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Actinopterygii (Ray-finned Fish)	Magnoliopsida (Dicots)
Order	Perciformes (Perch-like Fish)	Asterales (Daisies & Sunflowers)
Family	Pomacentridae (Clownfish & Damselfish)	Asteraceae (Daisy Family)
Genus	Amphiprion (Clownfish)	Carduus
Species	Hippocampus kuda	Carduus crispus

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Curled Thistle

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	Curled Thistle
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.

Curled Thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Japan, North Korea), Europe (7 countries), and North America (Canada, United States).

Common Seahorse

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

Shared Countries

Both species can be found in 1 countries:

🇯🇵 Japan