Indian Ocean humpback dolphin vs least chink shell

Sousa plumbea compared with Lacuna parva

Key Differences

• Indian Ocean humpback dolphin is Endangered while least chink shell is Data Deficient.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	least chink shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Littorinimorpha (Littorinimorpha)
Family	Delphinidae (Oceanic Dolphins)	Littorinidae
Genus	Sousa	Lacuna
Species	Sousa plumbea	Lacuna parva

Evolutionary Relationship

Indian Ocean humpback dolphin and least chink shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

least chink shell

DD — Data Deficient

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	least chink shell
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.

least chink shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.