Common Seahorse vs Macroalgae

Hippocampus kuda compared with Caulerpa brachypus

Key Differences

• Common Seahorse is Vulnerable while Macroalgae is Not Evaluated.

Taxonomic Classification

Rank	Common Seahorse	Macroalgae
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Actinopterygii (Ray-finned Fish)	Ulvophyceae (Ulvophyceae)
Order	Perciformes (Perch-like Fish)	Bryopsidales (Bryopsidales)
Family	Pomacentridae (Clownfish & Damselfish)	Caulerpaceae
Genus	Amphiprion (Clownfish)	Caulerpa
Species	Hippocampus kuda	Caulerpa brachypus

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Macroalgae

NE — Not Evaluated

Physical Characteristics

Attribute	Common Seahorse	Macroalgae
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.

Macroalgae

Habitat

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

Range

Distributed across Brazil and United States.

Common Seahorse

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