Brown Cobblestone Lichen vs Common Seahorse

Acarospora fuscata compared with Hippocampus kuda

Key Differences

Brown Cobblestone Lichen is Least Concern while Common Seahorse is Vulnerable.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Common Seahorse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Actinopterygii (Ray-finned Fish)
Order	Acarosporales (Acarosporales)	Perciformes (Perch-like Fish)
Family	Acarosporaceae	Pomacentridae (Clownfish & Damselfish)
Genus	Acarospora	Amphiprion (Clownfish)
Species	Acarospora fuscata	Hippocampus kuda

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Brown Cobblestone Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, 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.

Brown Cobblestone Lichen

The Brown Cobblestone Lichen (Acarospora fuscata) is a species in the genus Acarospora. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.