Common Seahorse vs Tiny Earthstar

Hippocampus kuda compared with Geastrum minimum

Key Differences

Common Seahorse is Vulnerable while Tiny Earthstar is Near Threatened.

Taxonomic Classification

Rank	Common Seahorse	Tiny Earthstar
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Actinopterygii (Ray-finned Fish)	Agaricomycetes (Mushrooms)
Order	Perciformes (Perch-like Fish)	Geastrales (Geastrales)
Family	Pomacentridae (Clownfish & Damselfish)	Geastraceae
Genus	Amphiprion (Clownfish)	Geastrum
Species	Hippocampus kuda	Geastrum minimum

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Tiny Earthstar

NT — Near Threatened

Physical Characteristics

Attribute	Common Seahorse	Tiny Earthstar
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.

Tiny Earthstar

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.