Boneset Map Lichen vs Common Seahorse

Rhizocarpon eupetraeum compared with Hippocampus kuda

Key Differences

Boneset Map Lichen is Extinct while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Boneset Map Lichen	Common Seahorse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Actinopterygii (Ray-finned Fish)
Order	Rhizocarpales (Rhizocarpales)	Perciformes (Perch-like Fish)
Family	Rhizocarpaceae	Pomacentridae (Clownfish & Damselfish)
Genus	Rhizocarpon	Amphiprion (Clownfish)
Species	Rhizocarpon eupetraeum	Hippocampus kuda

Conservation Status

Boneset Map Lichen

EX — Extinct

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Boneset Map Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.

Boneset Map Lichen

The Boneset Map Lichen (Rhizocarpon eupetraeum) is a species in the genus Rhizocarpon. It is currently classified as Extinct on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.