Common Seahorse vs marsh arrowgrass

Hippocampus kuda compared with Triglochin palustris

Key Differences

• Common Seahorse is Vulnerable while marsh arrowgrass is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	marsh arrowgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Actinopterygii (Ray-finned Fish)	Liliopsida (Monocots)
Order	Perciformes (Perch-like Fish)	Alismatales (Alismatales)
Family	Pomacentridae (Clownfish & Damselfish)	Juncaginaceae
Genus	Amphiprion (Clownfish)	Triglochin
Species	Hippocampus kuda	Triglochin palustris

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

marsh arrowgrass

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	marsh arrowgrass
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.

marsh arrowgrass

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (Canada).

Common Seahorse

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