Common Seahorse vs String Sargassum

Hippocampus kuda compared with Sargassum setifolium

Key Differences

• Common Seahorse is Vulnerable while String Sargassum is Endangered.

Taxonomic Classification

Rank	Common Seahorse	String Sargassum
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Actinopterygii (Ray-finned Fish)	Phaeophyceae (Phaeophyceae)
Order	Perciformes (Perch-like Fish)	Fucales (Fucales)
Family	Pomacentridae (Clownfish & Damselfish)	Sargassaceae
Genus	Amphiprion (Clownfish)	Sargassum
Species	Hippocampus kuda	Sargassum setifolium

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

String Sargassum

EN — Endangered

Physical Characteristics

Attribute	Common Seahorse	String Sargassum
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.

String Sargassum

Common Seahorse

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