Buttonhead Pipewort vs Common Seahorse

Eriocaulon heterolepis compared with Hippocampus kuda

Key Differences

Buttonhead Pipewort is Least Concern while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Buttonhead Pipewort	Common Seahorse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Actinopterygii (Ray-finned Fish)
Order	Poales (Grasses)	Perciformes (Perch-like Fish)
Family	Eriocaulaceae	Pomacentridae (Clownfish & Damselfish)
Genus	Eriocaulon	Amphiprion (Clownfish)
Species	Eriocaulon heterolepis	Hippocampus kuda

Conservation Status

Buttonhead Pipewort

LC — Least Concern

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Buttonhead Pipewort	Common Seahorse
Diet	—	Carnivore
Average Lifespan	—	5 years
Average Length	—	17 cm
Average Weight	—	10 g

Habitat & Geographic Range

Buttonhead Pipewort

Habitat

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

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.

Buttonhead Pipewort

The Buttonhead Pipewort (Eriocaulon heterolepis) is a species in the genus Eriocaulon. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.