Brimstone vs Common Seahorse

Gonepteryx rhamni compared with Hippocampus kuda

Key Differences

Brimstone is Near Threatened while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Brimstone	Common Seahorse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Actinopterygii (Ray-finned Fish)
Order	Lepidoptera (Butterflies & Moths)	Perciformes (Perch-like Fish)
Family	Pieridae	Pomacentridae (Clownfish & Damselfish)
Genus	Gonepteryx	Amphiprion (Clownfish)
Species	Gonepteryx rhamni	Hippocampus kuda

Evolutionary Relationship

Brimstone and Common Seahorse share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Brimstone

NT — Near Threatened

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Brimstone

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (40 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Brimstone

Brimstone (Gonepteryx rhamni) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.