Common Seahorse vs Grayling

Hippocampus kuda compared with Hipparchia semele

Key Differences

• Common Seahorse is Vulnerable while Grayling is Endangered.

Taxonomic Classification

Rank	Common Seahorse	Grayling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Actinopterygii (Ray-finned Fish)	Insecta (Insects)
Order	Perciformes (Perch-like Fish)	Lepidoptera (Butterflies & Moths)
Family	Pomacentridae (Clownfish & Damselfish)	Nymphalidae (Brush-footed Butterflies)
Genus	Amphiprion (Clownfish)	Hipparchia
Species	Hippocampus kuda	Hipparchia semele

Evolutionary Relationship

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

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Grayling

EN — Endangered

Physical Characteristics

Attribute	Common Seahorse	Grayling
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.

Grayling

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (37 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Seahorse

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

Grayling

Grayling (Hipparchia semele) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.