Common Seahorse vs Threeleaf Halberd Fern

Hippocampus kuda compared with Tectaria trifoliata

Key Differences

• Common Seahorse is Vulnerable while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	Common Seahorse	Threeleaf Halberd Fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Actinopterygii (Ray-finned Fish)	Polypodiopsida (Polypodiopsida)
Order	Perciformes (Perch-like Fish)	Polypodiales (Polypodiales)
Family	Pomacentridae (Clownfish & Damselfish)	Tectariaceae
Genus	Amphiprion (Clownfish)	Tectaria
Species	Hippocampus kuda	Tectaria trifoliata

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	Common Seahorse	Threeleaf Halberd Fern
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.

Threeleaf Halberd Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Seahorse

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