Indian Ocean humpback dolphin vs Rock Foam

Sousa plumbea compared with Stereocaulon saxatile

Key Differences

• Indian Ocean humpback dolphin is Endangered while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Rock Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Cetacea (Whales & Dolphins)	Lecanorales (Lecanorales)
Family	Delphinidae (Oceanic Dolphins)	Stereocaulaceae
Genus	Sousa	Stereocaulon
Species	Sousa plumbea	Stereocaulon saxatile

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Rock Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

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 in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Rock Foam

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.