Common Seahorse vs three-nerved sedge

Hippocampus kuda compared with Carex trinervis

Key Differences

Common Seahorse is Vulnerable while three-nerved sedge is Near Threatened.

Taxonomic Classification

Rank	Common Seahorse	three-nerved sedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Actinopterygii (Ray-finned Fish)	Liliopsida (Monocots)
Order	Perciformes (Perch-like Fish)	Poales (Grasses)
Family	Pomacentridae (Clownfish & Damselfish)	Cyperaceae
Genus	Amphiprion (Clownfish)	Carex
Species	Hippocampus kuda	Carex trinervis

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

three-nerved sedge

NT — Near Threatened

Physical Characteristics

Attribute	Common Seahorse	three-nerved sedge
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.

three-nerved sedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.