Common Seahorse vs Elm Leech

Hippocampus kuda compared with Hypsizygus ulmarius

Key Differences

Common Seahorse is Vulnerable while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Common Seahorse	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Actinopterygii (Ray-finned Fish)	Agaricomycetes (Mushrooms)
Order	Perciformes (Perch-like Fish)	Agaricales (Gilled Mushrooms)
Family	Pomacentridae (Clownfish & Damselfish)	Lyophyllaceae
Genus	Amphiprion (Clownfish)	Hypsizygus
Species	Hippocampus kuda	Hypsizygus ulmarius

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Common Seahorse	Elm Leech
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.

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.